Linux man pages: Section 3

• CMSG_ALIGN - Access ancillary data  
• CMSG_FIRSTHDR - Access ancillary data  
• CMSG_NXTHDR - Access ancillary data  
• CMSG_SPACE - Access ancillary data  
• MB_CUR_MAX - maximum length of a multibyte character in the current locale  
• MB_LEN_MAX - maximum multibyte length of a character across all locales  
• Parse::Yapp - Perl extension for generating and using LALR parsers.  
• __fbufsize - interfaces to stdio FILE structure  
• __flbf - interfaces to stdio FILE structure  
• __fpending - interfaces to stdio FILE structure  
• __fpurge - purge a stream  
• __freadable - interfaces to stdio FILE structure  
• __freading - interfaces to stdio FILE structure  
• __fsetlocking - interfaces to stdio FILE structure  
• __fwritable - interfaces to stdio FILE structure  
• __fwriting - interfaces to stdio FILE structure  
• __malloc_hook - malloc debugging variables  
• __setfpucw - set fpu control word on i386 architecture (obsolete)  
• _cap_names - capability state textual representation translation  
• _flushlbf - interfaces to stdio FILE structure  
• a64l - convert between long and base-64  
• abort - cause abnormal program termination  
• abs - compute the absolute value of an integer  
• acl_add_perm - add a permission to an ACL permission set  
• acl_calc_mask - calculate the file group class mask  
• acl_check - check an ACL for validity  
• acl_clear_perms - clear all permissions from an ACL permission set  
• acl_cmp - compare two ACLs  
• acl_copy_entry - copy an ACL entry  
• acl_copy_ext - copy an ACL from internal to external representation  
• acl_copy_int - copy an ACL from external to internal representation  
• acl_create_entry - create a new ACL entry  
• acl_delete_def_file - delete a default ACL by filename  
• acl_delete_entry - delete an ACL entry  
• acl_delete_perm - delete a permission from an ACL permission set  
• acl_dup - duplicate an ACL  
• acl_entries - return the number of entries in an ACL  
• acl_equiv_mode - check for an equivalent ACL  
• acl_error - convert an ACL error code to a text message  
• acl_extended_fd - test for information in the ACL by file descriptor  
• acl_extended_file - test for information in ACLs by file name  
• acl_free - release memory allocated to an ACL data object  
• acl_from_mode - create an ACL from file permission bits  
• acl_from_text - create an ACL from text  
• acl_get_entry - get an ACL entry  
• acl_get_fd - get an ACL by file descriptor  
• acl_get_file - get an ACL by filename  
• acl_get_perm - test for a permission in an ACL permission set  
• acl_get_permset - retrieve the permission set from an ACL entry  
• acl_get_qualifier - retrieve the qualifier from an ACL entry  
• acl_get_tag_type - get the tag type of an ACL entry  
• acl_init - initialize ACL working storage  
• acl_set_fd - set an ACL by file descriptor  
• acl_set_file - set an ACL by filename  
• acl_set_permset - set the permission set in an ACL entry  
• acl_set_qualifier - set the qualifier of an ACL entry  
• acl_set_tag_type - set the tag type of an ACL entry  
• acl_size - get the size of the external representation of an ACL  
• acl_to_any_text - convert an ACL to text  
• acl_to_text - convert an ACL to text  
• acl_valid - validate an ACL  
• acos - arc cosine function  
• acosf - arc cosine function  
• acosh - inverse hyperbolic cosine function  
• acoshf - inverse hyperbolic cosine function  
• acoshl - inverse hyperbolic cosine function  
• acosl - arc cosine function  
• addmntent - get file system descriptor file entry  
• addseverity - introduce new severity classes  
• aio_cancel - cancel an outstanding asynchronous I/O request  
• aio_error - get error status of asynchronous I/O operation  
• aio_fsync - asynchronous file synchronization  
• aio_read - asynchronous read  
• aio_return - get return status of asynchronous I/O operation  
• aio_suspend - wait for asynchronous I/O operation or timeout  
• aio_write - asynchronous write  
• alloca - memory allocator  
• alphasort - scan a directory for matching entries  
• argz_add - functions to handle an argz list  
• argz_add_sep - functions to handle an argz list  
• argz_append - functions to handle an argz list  
• argz_count - functions to handle an argz list  
• argz_create - functions to handle an argz list  
• argz_create_sep - functions to handle an argz list  
• argz_delete - functions to handle an argz list  
• argz_extract - functions to handle an argz list  
• argz_insert - functions to handle an argz list  
• argz_next - functions to handle an argz list  
• argz_replace - functions to handle an argz list  
• argz_stringify - functions to handle an argz list  
• asctime - transform date and time to broken-down time or ASCII  
• asctime_r - transform date and time to broken-down time or ASCII  
• asin - arc sine function  
• asinf - arc sine function  
• asinh - inverse hyperbolic sine function  
• asinhf - inverse hyperbolic sine function  
• asinhl - inverse hyperbolic sine function  
• asinl - arc sine function  
• asprintf - print to allocated string  
• assert - abort the program if assertion is false  
• assert_perror - test errnum and abort  
• atan - arc tangent function  
• atan2 - arc tangent function of two variables  
• atan2f - arc tangent function of two variables  
• atan2l - arc tangent function of two variables  
• atanf - arc tangent function  
• atanh - inverse hyperbolic tangent function  
• atanhf - inverse hyperbolic tangent function  
• atanhl - inverse hyperbolic tangent function  
• atanl - arc tangent function  
• atexit - register a function to be called at normal program termination  
• atof - convert a string to a double  
• atoi - convert a string to an integer  
• atol - convert a string to an integer  
• atoll - convert a string to an integer  
• atoq - convert a string to an integer  
• attr_get - get the value of a user attribute of a filesystem object  
• attr_getf - get the value of a user attribute of a filesystem object  
• attr_multi - manipulate multiple user attributes on a filesystem object at once  
• attr_multif - manipulate multiple user attributes on a filesystem object at once  
• attr_remove - remove a user attribute of a filesystem object  
• attr_removef - remove a user attribute of a filesystem object  
• attr_set - set the value of a user attribute of a filesystem object  
• attr_setf - set the value of a user attribute of a filesystem object  
• auth_destroy - library routines for remote procedure calls  
• authnone_create - library routines for remote procedure calls  
• authunix_create - library routines for remote procedure calls  
• authunix_create_default - library routines for remote procedure calls  
• avc_add_callback - additional event notification for userspace object managers.  
• avc_audit - obtain and audit SELinux access decisions.  
• avc_av_stats - obtain userspace AVC statistics.  
• avc_cache_stats - obtain userspace AVC statistics.  
• avc_cleanup - userspace AVC setup and teardown.  
• avc_context_to_sid - obtain and manipulate security ID's.  
• avc_destroy - userspace AVC setup and teardown.  
• avc_entry_ref_init - obtain and audit SELinux access decisions.  
• avc_has_perm - obtain and audit SELinux access decisions.  
• avc_has_perm_noaudit - obtain and audit SELinux access decisions.  
• avc_init - userspace AVC setup and teardown.  
• avc_reset - userspace AVC setup and teardown.  
• avc_sid_stats - obtain userspace AVC statistics.  
• avc_sid_to_context - obtain and manipulate security ID's.  
• basename - Parse pathname components  
• bcmp - compare byte sequences  
• bcopy - copy byte sequence  
• ber_alloc_t - LBER simplified Basic Encoding Rules library routines for encoding  
• ber_bvarray_add - LBER types and allocation functions  
• ber_bvarray_free - LBER types and allocation functions  
• ber_bvdup - LBER types and allocation functions  
• ber_bvecadd - LBER types and allocation functions  
• ber_bvecfree - LBER types and allocation functions  
• ber_bvfree - LBER types and allocation functions  
• ber_bvstr - LBER types and allocation functions  
• ber_bvstrdup - LBER types and allocation functions  
• ber_dupbv - LBER types and allocation functions  
• ber_first_element - LBER simplified Basic Encoding Rules library routines for decoding  
• ber_flush - LBER simplified Basic Encoding Rules library routines for encoding  
• ber_free - LBER types and allocation functions  
• ber_get_bitstring - LBER simplified Basic Encoding Rules library routines for decoding  
• ber_get_boolean - LBER simplified Basic Encoding Rules library routines for decoding  
• ber_get_enum - LBER simplified Basic Encoding Rules library routines for decoding  
• ber_get_int - LBER simplified Basic Encoding Rules library routines for decoding  
• ber_get_next - LBER simplified Basic Encoding Rules library routines for decoding  
• ber_get_null - LBER simplified Basic Encoding Rules library routines for decoding  
• ber_get_stringa - LBER simplified Basic Encoding Rules library routines for decoding  
• ber_get_stringb - LBER simplified Basic Encoding Rules library routines for decoding  
• ber_next_element - LBER simplified Basic Encoding Rules library routines for decoding  
• ber_peek_tag - LBER simplified Basic Encoding Rules library routines for decoding  
• ber_printf - LBER simplified Basic Encoding Rules library routines for encoding  
• ber_put_enum - LBER simplified Basic Encoding Rules library routines for encoding  
• ber_put_int - LBER simplified Basic Encoding Rules library routines for encoding  
• ber_put_null - LBER simplified Basic Encoding Rules library routines for encoding  
• ber_put_ostring - LBER simplified Basic Encoding Rules library routines for encoding  
• ber_put_seq - LBER simplified Basic Encoding Rules library routines for encoding  
• ber_put_set - LBER simplified Basic Encoding Rules library routines for encoding  
• ber_put_string - LBER simplified Basic Encoding Rules library routines for encoding  
• ber_scanf - LBER simplified Basic Encoding Rules library routines for decoding  
• ber_skip_tag - LBER simplified Basic Encoding Rules library routines for decoding  
• ber_start_set - LBER simplified Basic Encoding Rules library routines for encoding  
• ber_str2bv - LBER types and allocation functions  
• bind_textdomain_codeset - set encoding of message translations  
• bindresvport - bind a socket to a privileged IP port  
• bindtextdomain - set directory containing message catalogs  
• bsearch - binary search of a sorted array  
• bstring - byte string operations  
• btowc - convert single byte to wide character  
• btree - btree database access method  
• byteorder - convert values between host and network byte order  
• bzero - write zero bytes  
• cabs - absolute value of a complex number  
• cabsf - absolute value of a complex number  
• cabsl - absolute value of a complex number  
• cacos - complex arc cosine  
• cacosh - complex arc hyperbolic cosine  
• cacoshf - complex arc hyperbolic cosine  
• cacoshl - complex arc hyperbolic cosine  
• calloc - Allocate and free dynamic memory  
• callrpc - library routines for remote procedure calls  
• cap_clear - capability data object manipulation  
• cap_copy_ext - capability state external representation translation  
• cap_copy_int - capability state external representation translation  
• cap_dup - capability data object storage management  
• cap_free - capability data object storage management  
• cap_from_text - capability state textual representation translation  
• cap_get_flag - capability data object manipulation  
• cap_get_proc - POSIX capability manipulation on processes capgetp, capsetp - Linux specific capability manipulation on arbitrary processes  
• cap_init - capability data object storage management  
• cap_set_flag - capability data object manipulation  
• cap_set_proc - POSIX capability manipulation on processes capgetp, capsetp - Linux specific capability manipulation on arbitrary processes  
• cap_size - capability state external representation translation  
• cap_to_text - capability state textual representation translation  
• capgetp - POSIX capability manipulation on processes capgetp, capsetp - Linux specific capability manipulation on arbitrary processes  
• capsetp - POSIX capability manipulation on processes capgetp, capsetp - Linux specific capability manipulation on arbitrary processes  
• carg - calculate the argument  
• cargf - calculate the argument  
• cargl - calculate the argument  
• casin - complex arc sine  
• casinf - complex arc sine  
• casinh - complex arc sine hyperbolic  
• casinhf - complex arc sine hyperbolic  
• casinhl - complex arc sine hyperbolic  
• casinl - complex arc sine  
• catan - complex arc tangents  
• catanf - complex arc tangents  
• catanh - complex arc tangents hyperbolic  
• catanhf - complex arc tangents hyperbolic  
• catanhl - complex arc tangents hyperbolic  
• catanl - complex arc tangents  
• catclose - open/close a message catalog  
• catgets - get message from a message catalog  
• catopen - open/close a message catalog  
• cbc_crypt - fast DES encryption  
• cbrt - cube root function  
• cbrtf - cube root function  
• cbrtl - cube root function  
• ccos - complex cosine function  
• ccosf - complex cosine function  
• ccosh - complex hyperbolic cosine  
• ccoshf - complex hyperbolic cosine  
• ccoshl - complex hyperbolic cosine  
• ccosl - complex cosine function  
• ceil - ceiling function: smallest integral value not less than argument  
• ceilf - ceiling function: smallest integral value not less than argument  
• ceill - ceiling function: smallest integral value not less than argument  
• cerf - complex error function  
• cerfc - complex error function  
• cerfcf - complex error function  
• cerfcl - complex error function  
• cerff - complex error function  
• cerfl - complex error function  
• cexp - complex exponential function  
• cexp2 - base-2 exponent of a complex number  
• cexp2f - base-2 exponent of a complex number  
• cexp2l - base-2 exponent of a complex number  
• cexpf - complex exponential function  
• cexpl - complex exponential function  
• cfgetispeed - get and set terminal attributes, line control, get and set baud rate  
• cfgetospeed - get and set terminal attributes, line control, get and set baud rate  
• cfmakeraw - get and set terminal attributes, line control, get and set baud rate  
• cfree - free allocated memory  
• cfsetispeed - get and set terminal attributes, line control, get and set baud rate  
• cfsetospeed - get and set terminal attributes, line control, get and set baud rate  
• checkPasswdAccess - query the SE Linux policy database in the kernel.  
• cimag - get imaginary part of a complex number  
• cimagf - get imaginary part of a complex number  
• cimagl - get imaginary part of a complex number  
• clearenv - clear the environment  
• clearerr - check and reset stream status  
• clearerr_unlocked - non-locking stdio functions  
• clnt_broadcast - library routines for remote procedure calls  
• clnt_call - library routines for remote procedure calls  
• clnt_control - library routines for remote procedure calls  
• clnt_create - library routines for remote procedure calls  
• clnt_destroy - library routines for remote procedure calls  
• clnt_freeres - library routines for remote procedure calls  
• clnt_geterr - library routines for remote procedure calls  
• clnt_pcreateerror - library routines for remote procedure calls  
• clnt_perrno - library routines for remote procedure calls  
• clnt_perror - library routines for remote procedure calls  
• clnt_spcreateerror - library routines for remote procedure calls  
• clnt_sperrno - library routines for remote procedure calls  
• clnt_sperror - library routines for remote procedure calls  
• clntraw_create - library routines for remote procedure calls  
• clnttcp_create - library routines for remote procedure calls  
• clntudp_bufcreate - library routines for remote procedure calls  
• clntudp_create - library routines for remote procedure calls  
• clock - Determine processor time  
• clock_getres - clock and time functions  
• clock_gettime - clock and time functions  
• clock_settime - clock and time functions  
• clog - natural logarithm of a complex number  
• clog10 - base-10 logarithm of a complex number  
• clog10f - base-10 logarithm of a complex number  
• clog10l - base-10 logarithm of a complex number  
• clog2 - base-2 logarithm of a complex number  
• clog2f - base-2 logarithm of a complex number  
• clog2l - base-2 logarithm of a complex number  
• clogf - natural logarithm of a complex number  
• clogl - natural logarithm of a complex number  
• closedir - close a directory  
• closelog - send messages to the system logger  
• cmsg - Access ancillary data  
• com_err - common error display routine  
• confstr - get configuration dependent string variables  
• conj - calculate the complex conjugate  
• conjf - calculate the complex conjugate  
• conjl - calculate the complex conjugate  
• context_free - Routines to manipulate SELinux security contexts  
• context_new - Routines to manipulate SELinux security contexts  
• context_range_get - Routines to manipulate SELinux security contexts  
• context_range_set - Routines to manipulate SELinux security contexts  
• context_role_get - Routines to manipulate SELinux security contexts  
• context_role_set - Routines to manipulate SELinux security contexts  
• context_type_get - Routines to manipulate SELinux security contexts  
• context_type_set - Routines to manipulate SELinux security contexts  
• context_user_get - Routines to manipulate SELinux security contexts  
• context_user_set - Routines to manipulate SELinux security contexts  
• copysign - copy sign of a number  
• copysignf - copy sign of a number  
• copysignl - copy sign of a number  
• cos - cosine function  
• cosf - cosine function  
• cosh - hyperbolic cosine function  
• coshf - hyperbolic cosine function  
• coshl - hyperbolic cosine function  
• cosl - cosine function  
• cpow - complex power function  
• cpowf - complex power function  
• cpowl - complex power function  
• cproj - project into Riemann Sphere  
• cprojf - project into Riemann Sphere  
• cprojl - project into Riemann Sphere  
• creal - get real part of a complex number  
• crealf - get real part of a complex number  
• creall - get real part of a complex number  
• crypt - password and data encryption  
• csin - complex sine function  
• csinf - complex sine function  
• csinh - complex hyperbolic sine  
• csinhf - complex hyperbolic sine  
• csinhl - complex hyperbolic sine  
• csinl - complex sine function  
• csqrt - complex square root  
• csqrtf - complex square root  
• csqrtl - complex square root  
• ctan - complex tangent function  
• ctanf - complex tangent function  
• ctanh - complex hyperbolic tangent  
• ctanhf - complex hyperbolic tangent  
• ctanhl - complex hyperbolic tangent  
• ctanl - complex tangent function  
• ctermid - get controlling terminal name  
• ctime - transform date and time to broken-down time or ASCII  
• ctime_r - transform date and time to broken-down time or ASCII  
• curl_easy_cleanup - End a libcurl easy session  
• curl_easy_duphandle - Clone a libcurl session handle  
• curl_easy_getinfo - extract information from a curl handle  
• curl_easy_init - Start a libcurl easy session  
• curl_easy_perform - Perform a file transfer  
• curl_easy_reset - reset all options of a libcurl session handle  
• curl_easy_setopt - set options for a curl easy handle  
• curl_easy_strerror - return string describing error code  
• curl_escape - URL encodes the given string  
• curl_formadd - add a section to a multipart/formdata HTTP POST  
• curl_formfree - free a previously build multipart/formdata HTTP POST chain  
• curl_free - reclaim memory that has been obtained through a libcurl call  
• curl_getdate - Convert an date in a ASCII string to number of seconds since January 1, 1970  
• curl_getenv - return value for environment name  
• curl_global_cleanup - global libcurl cleanup  
• curl_global_init - Global libcurl initialisation  
• curl_global_init_mem - Global libcurl initialisation with memory callbacks  
• curl_mprintf - formatted output conversion  
• curl_multi_add_handle - add an easy handle to a multi session  
• curl_multi_cleanup - close down a multi session  
• curl_multi_fdset - extracts file descriptor information from a multi handle  
• curl_multi_info_read - read multi stack informationals  
• curl_multi_init - create a multi handle  
• curl_multi_perform - reads/writes available data from each easy handle  
• curl_multi_remove_handle - remove an easy handle from a multi session  
• curl_multi_strerror - return string describing error code  
• curl_share_cleanup - Clean up a shared object  
• curl_share_init - Create a shared object  
• curl_share_setopt - Set options for a shared object  
• curl_share_strerror - return string describing error code  
• curl_slist_append - add a string to an slist  
• curl_slist_free_all - free an entire curl_slist list  
• curl_strequal - case insensitive string comparisons  
• curl_unescape - URL decodes the given string  
• curl_version - returns the libcurl version string  
• curl_version_info - returns run-time libcurl version info  
• cuserid - get user name  
• daemon - run in the background  
• db - database access methods  
• dbopen - database access methods  
• dcgettext - translate message  
• dcngettext - translate message and choose plural form  
• des_crypt - fast DES encryption  
• des_setparity - fast DES encryption  
• dgettext - translate message  
• difftime - calculate time difference  
• dirfd - get directory stream file descriptor  
• dirname - Parse pathname components  
• div - compute quotient and remainder of an integer division  
• dladdr - programming interface to dynamic linking loader  
• dlclose - programming interface to dynamic linking loader  
• dlerror - programming interface to dynamic linking loader  
• dlopen - programming interface to dynamic linking loader  
• dlsym - programming interface to dynamic linking loader  
• dlvsym - programming interface to dynamic linking loader  
• dn_comp - resolver routines  
• dn_expand - resolver routines  
• dngettext - translate message and choose plural form  
• dprintf - print to a file descriptor  
• drand48 - generate uniformly distributed pseudo-random numbers  
• drem - floating-point remainder function  
• dremf - floating-point remainder function  
• dreml - floating-point remainder function  
• dysize - get number of days for a given year  
• ecb_crypt - fast DES encryption  
• ecvt - convert a floating-point number to a string  
• ecvt_r - convert a floating-point number to a string  
• encrypt - encrypt 64-bit messages  
• endaliasent - read an alias entry  
• endfsent - handle fstab entries  
• endgrent - get group file entry  
• endhostent - get network host entry  
• endmntent - get file system descriptor file entry  
• endnetent - get network entry  
• endprotoent - get protocol entry  
• endpwent - get password file entry  
• endrpcent - get RPC entry  
• endservent - get service entry  
• endttyent - get ttys file entry  
• endusershell - get legal user shells  
• endutent - access utmp file entries  
• endutxent - access utmp file entries  
• envz_add - environment string support  
• envz_entry - environment string support  
• envz_get - environment string support  
• envz_merge - environment string support  
• envz_remove - environment string support  
• envz_strip - environment string support  
• erand48 - generate uniformly distributed pseudo-random numbers  
• erf - error function and complementary error function  
• erfc - error function and complementary error function  
• erfcf - error function and complementary error function  
• erfcl - error function and complementary error function  
• erff - error function and complementary error function  
• erfl - error function and complementary error function  
• err - formatted error messages  
• errno - number of last error  
• errx - formatted error messages  
• ether_aton - Ethernet address manipulation routines  
• ether_aton_r - Ethernet address manipulation routines  
• ether_hostton - Ethernet address manipulation routines  
• ether_line - Ethernet address manipulation routines  
• ether_ntoa - Ethernet address manipulation routines  
• ether_ntoa_r - Ethernet address manipulation routines  
• ether_ntohost - Ethernet address manipulation routines  
• exec - execute a file  
• execl - execute a file  
• execle - execute a file  
• execlp - execute a file  
• execv - execute a file  
• execvp - execute a file  
• exit - cause normal program termination  
• exp - base-e exponential function  
• exp10 - base-10 exponential function  
• exp10f - base-10 exponential function  
• exp10l - base-10 exponential function  
• exp2 - base-2 exponential function  
• exp2f - base-2 exponential function  
• exp2l - base-2 exponential function  
• expf - base-e exponential function  
• expl - base-e exponential function  
• expm1 - exponential minus 1  
• expm1f - exponential minus 1  
• expm1l - exponential minus 1  
• fabs - absolute value of floating-point number  
• fabsf - absolute value of floating-point number  
• fabsl - absolute value of floating-point number  
• fclose - close a stream  
• fcloseall - close all open streams  
• fcvt - convert a floating-point number to a string  
• fcvt_r - convert a floating-point number to a string  
• fdim - positive difference  
• fdimf - positive difference  
• fdiml - positive difference  
• fdopen - stream open functions  
• feclearexcept - C99 floating point rounding and exception handling  
• fedisableexcept - C99 floating point rounding and exception handling  
• feenableexcept - C99 floating point rounding and exception handling  
• fegetenv - C99 floating point rounding and exception handling  
• fegetexcept - C99 floating point rounding and exception handling  
• fegetexceptflag - C99 floating point rounding and exception handling  
• fegetround - C99 floating point rounding and exception handling  
• feholdexcept - C99 floating point rounding and exception handling  
• fenv - C99 floating point rounding and exception handling  
• feof - check and reset stream status  
• feof_unlocked - non-locking stdio functions  
• feraiseexcept - C99 floating point rounding and exception handling  
• ferror - check and reset stream status  
• ferror_unlocked - non-locking stdio functions  
• fesetenv - C99 floating point rounding and exception handling  
• fesetexceptflag - C99 floating point rounding and exception handling  
• fesetround - C99 floating point rounding and exception handling  
• fetestexcept - C99 floating point rounding and exception handling  
• feupdateenv - C99 floating point rounding and exception handling  
• fflush - flush a stream  
• fflush_unlocked - non-locking stdio functions  
• ffs - find first bit set in a word  
• ffsl - find first bit set in a word  
• ffsll - find first bit set in a word  
• fgetc - input of characters and strings  
• fgetc_unlocked - non-locking stdio functions  
• fgetgrent - get group file entry  
• fgetgrent_r - get group file entry reentrantly  
• fgetpos - reposition a stream  
• fgetpwent - get password file entry  
• fgetpwent_r - get passwd file entry reentrantly  
• fgets - input of characters and strings  
• fgets_unlocked - non-locking stdio functions  
• fgetwc - read a wide character from a FILE stream  
• fgetwc_unlocked - non-locking stdio functions  
• fgetws - read a wide character string from a FILE stream  
• fgetws_unlocked - non-locking stdio functions  
• fileno - check and reset stream status  
• fileno_unlocked - non-locking stdio functions  
• finite - test for infinity or not-a-number (NaN)  
• flockfile - lock FILE for stdio  
• floor - largest integral value not greater than argument  
• floorf - largest integral value not greater than argument  
• floorl - largest integral value not greater than argument  
• fma - floating-point multiply and add  
• fmaf - floating-point multiply and add  
• fmal - floating-point multiply and add  
• fmax - find maximum value  
• fmaxf - find maximum value  
• fmaxl - find maximum value  
• fmin - find minimum value  
• fminf - find minimum value  
• fminl - find minimum value  
• fmod - floating-point remainder function  
• fmodf - floating-point remainder function  
• fmodl - floating-point remainder function  
• fmtmsg - print formatted error messages  
• fnmatch - match filename or pathname  
• fopen - stream open functions  
• forkpty - tty utility functions  
• fpathconf - get configuration values for files  
• fpclassify - floating-point classification macros  
• fprintf - formatted output conversion  
• fpurge - purge a stream  
• fputc - output of characters and strings  
• fputc_unlocked - non-locking stdio functions  
• fputs - output of characters and strings  
• fputs_unlocked - non-locking stdio functions  
• fputwc - write a wide character to a FILE stream  
• fputwc_unlocked - non-locking stdio functions  
• fputws - write a wide character string to a FILE stream  
• fputws_unlocked - non-locking stdio functions  
• fread - binary stream input/output  
• fread_unlocked - non-locking stdio functions  
• free - Allocate and free dynamic memory  
• freeaddrinfo - network address and service translation  
• freecon - free memory associated with SE Linux security contexts.  
• freeconary - free memory associated with SE Linux security contexts.  
• freopen - stream open functions  
• frexp - convert floating-point number to fractional and integral components  
• fscanf - input format conversion  
• fseek - reposition a stream  
• fseeko - seek to or report file position  
• fsetfilecon - set SE Linux security context of a file  
• fsetpos - reposition a stream  
• ftell - reposition a stream  
• ftello - seek to or report file position  
• ftime - return date and time  
• ftok - convert a pathname and a project identifier to a System V IPC key  
• ftrylockfile - lock FILE for stdio  
• fts - traverse a file hierarchy  
• fts_children - traverse a file hierarchy  
• fts_close - traverse a file hierarchy  
• fts_open - traverse a file hierarchy  
• fts_read - traverse a file hierarchy  
• fts_set - traverse a file hierarchy  
• ftw - file tree walk  
• funlockfile - lock FILE for stdio  
• fwide - set and determine the orientation of a FILE stream  
• fwprintf - formatted wide character output conversion  
• fwrite - binary stream input/output  
• fwrite_unlocked - non-locking stdio functions  
• gai_strerror - network address and service translation  
• gamma - (logarithm of the) gamma function  
• gammaf - (logarithm of the) gamma function  
• gammal - (logarithm of the) gamma function  
• gcvt - convert a floating-point number to a string  
• gdbm - The GNU database manager. Includes dbm and ndbm compatability. (Version 1.8.)  
• get_current_dir_name - Get current working directory  
• get_default_context - determine context(s) for user login sessions  
• get_default_context_with_role - determine context(s) for user login sessions  
• get_myaddress - library routines for remote procedure calls  
• get_ordered_context_list - determine context(s) for user login sessions  
• getaddrinfo - network address and service translation  
• getaliasbyname - read an alias entry  
• getaliasbyname_r - read an alias entry  
• getaliasent - read an alias entry  
• getaliasent_r - read an alias entry  
• getc - input of characters and strings  
• getc_unlocked - non-locking stdio functions  
• getchar - input of characters and strings  
• getchar_unlocked - non-locking stdio functions  
• getcon - get SE Linux security context of a process.  
• getcwd - Get current working directory  
• getdate - convert a string to struct tm
   
• getdate_r - convert a string to struct tm
   
• getdelim - delimited string input  
• getdirentries - get directory entries in a filesystem independent format  
• getenv - get an environment variable  
• getexeccon - get or set the SE Linux security context used for executing a new process.  
• getfilecon - get SE Linux security context of a file  
• getfscreatecon - get or set the SE Linux security context used for creating a new file system object.  
• getfsent - handle fstab entries  
• getfsfile - handle fstab entries  
• getfsspec - handle fstab entries  
• getgrent - get group file entry  
• getgrent_r - get group file entry reentrantly  
• getgrgid - get group file entry  
• getgrgid_r - get group file entry  
• getgrnam - get group file entry  
• getgrnam_r - get group file entry  
• getgrouplist - list of groups a user belongs to  
• gethostbyaddr - get network host entry  
• gethostbyname - get network host entry  
• gethostbyname2 - get network host entry  
• gethostbyname2_r - get network host entry  
• gethostbyname_r - get network host entry  
• getline - delimited string input  
• getloadavg - get system load averages  
• getlogin - get user name  
• getlogin_r - get user name  
• getmntent - get file system descriptor file entry  
• getnameinfo - address-to-name translation in protocol-independent manner  
• getnetbyaddr - get network entry  
• getnetbyname - get network entry  
• getnetent - get network entry  
• getopt - Parse command line options  
• getopt_long - Parse command line options  
• getopt_long_only - Parse command line options  
• getpass - get a password  
• getpeercon - get SE Linux security context of a process.  
• getpidcon - get SE Linux security context of a process.  
• getprevcon - get SE Linux security context of a process.  
• getprotobyname - get protocol entry  
• getprotobynumber - get protocol entry  
• getprotoent - get protocol entry  
• getpt - open the pseudo-terminal master (PTM)  
• getpw - Re-construct password line entry  
• getpwent - get password file entry  
• getpwent_r - get passwd file entry reentrantly  
• getpwnam - get password file entry  
• getpwnam_r - get password file entry  
• getpwuid - get password file entry  
• getpwuid_r - get password file entry  
• getrpcbyname - get RPC entry  
• getrpcbynumber - get RPC entry  
• getrpcent - get RPC entry  
• getrpcport - get RPC port number  
• gets - input of characters and strings  
• getservbyname - get service entry  
• getservbyport - get service entry  
• getservent - get service entry  
• gettext - translate message  
• getttyent - get ttys file entry  
• getttynam - get ttys file entry  
• getumask - get file creation mask  
• getusershell - get legal user shells  
• getutent - access utmp file entries  
• getutent_r - access utmp file entries  
• getutid - access utmp file entries  
• getutid_r - access utmp file entries  
• getutline - access utmp file entries  
• getutline_r - access utmp file entries  
• getutxent - access utmp file entries  
• getutxid - access utmp file entries  
• getutxline - access utmp file entries  
• getw - input and output of words (ints)  
• getwc - read a wide character from a FILE stream  
• getwc_unlocked - non-locking stdio functions  
• getwchar - read a wide character from standard input  
• getwchar_unlocked - non-locking stdio functions  
• getwd - Get current working directory  
• glob - find pathnames matching a pattern, free memory from glob()  
• globfree - find pathnames matching a pattern, free memory from glob()  
• gmtime - transform date and time to broken-down time or ASCII  
• gmtime_r - transform date and time to broken-down time or ASCII  
• grantpt - grant access to the slave pseudotty  
• gsignal - software signal facility  
• hash - hash database access method  
• hasmntopt - get file system descriptor file entry  
• hcreate - hash table management  
• hcreate_r - hash table management  
• hdestroy - hash table management  
• hdestroy_r - hash table management  
• herror - get network host entry  
• hesiod - Hesiod name server interface library  
• hesiod_getmailhost - Hesiod functions for retrieving user to postoffice mappings  
• hesiod_getpwnam - Hesiod functions for retrieving passwd information  
• hesiod_getservbyname - Hesiod functions for retrieving service information  
• history - GNU History Library  
• hosts_access - access control library  
• hsearch - hash table management  
• hsearch_r - hash table management  
• hstrerror - get network host entry  
• htonl - convert values between host and network byte order  
• htons - convert values between host and network byte order  
• hypot - Euclidean distance function  
• hypotf - Euclidean distance function  
• hypotl - Euclidean distance function  
• iconv - perform character set conversion  
• iconv_close - deallocate descriptor for character set conversion  
• iconv_open - allocate descriptor for character set conversion  
• idna_strerror -
• idna_to_ascii_4i -
• idna_to_ascii_4z -
• idna_to_ascii_8z -
• idna_to_ascii_lz -
• idna_to_unicode_44i -
• idna_to_unicode_4z4z -
• idna_to_unicode_8z4z -
• idna_to_unicode_8z8z -
• idna_to_unicode_8zlz -
• idna_to_unicode_lzlz -
• imaxabs - compute the absolute value of an integer  
• imaxdiv - compute quotient and remainder of an integer division  
• index - locate character in string  
• inet - Internet address manipulation routines  
• inet_addr - Internet address manipulation routines  
• inet_aton - Internet address manipulation routines  
• inet_lnaof - Internet address manipulation routines  
• inet_makeaddr - Internet address manipulation routines  
• inet_netof - Internet address manipulation routines  
• inet_network - Internet address manipulation routines  
• inet_ntoa - Internet address manipulation routines  
• inet_ntop - Parse network address structures  
• inet_pton - Create a network address structure  
• initgroups - initialize the supplementary group access list  
• initstate - random number generator  
• insque - insert/remove an item from a queue  
• intro - Introduction to library functions  
• iruserok - routines for returning a stream to a remote command  
• is_selinux_enabled - check whether SE Linux is enabled  
• isalnum - character classification routines  
• isalpha - character classification routines  
• isascii - character classification routines  
• isatty - does this descriptor refer to a terminal  
• isblank - character classification routines  
• iscntrl - character classification routines  
• isdigit - character classification routines  
• isfinite - floating-point classification macros  
• isgraph - character classification routines  
• isgreater - macros to test a relation  
• isgreaterequal - macros to test a relation  
• isinf - test for infinity or not-a-number (NaN)  
• isless - macros to test a relation  
• islessequal - macros to test a relation  
• islessgreater - macros to test a relation  
• islower - character classification routines  
• isnan - test for infinity or not-a-number (NaN)  
• isnormal - floating-point classification macros  
• isprint - character classification routines  
• ispunct - character classification routines  
• isspace - character classification routines  
• isunordered - macros to test a relation  
• isupper - character classification routines  
• iswalnum - test for alphanumeric wide character  
• iswalpha - test for alphabetic wide character  
• iswblank - test for whitespace wide character  
• iswcntrl - test for control wide character  
• iswctype - wide character classification  
• iswdigit - test for decimal digit wide character  
• iswgraph - test for graphic wide character  
• iswlower - test for lowercase wide character  
• iswprint - test for printing wide character  
• iswpunct - test for punctuation or symbolic wide character  
• iswspace - test for whitespace wide character  
• iswupper - test for uppercase wide character  
• iswxdigit - test for hexadecimal digit wide character  
• isxdigit - character classification routines  
• j0 - Bessel functions  
• j0f - Bessel functions  
• j0l - Bessel functions  
• j1 - Bessel functions  
• j1f - Bessel functions  
• j1l - Bessel functions  
• jn - Bessel functions  
• jnf - Bessel functions  
• jnl - Bessel functions  
• jrand48 - generate uniformly distributed pseudo-random numbers  
• key_decryptsession - interfaces to rpc keyserver daemon  
• key_encryptsession - interfaces to rpc keyserver daemon  
• key_gendes - interfaces to rpc keyserver daemon  
• key_secretkey_is_set - interfaces to rpc keyserver daemon  
• key_setsecret - interfaces to rpc keyserver daemon  
• killpg - send signal to all members of a process group  
• klogctl - read and/or clear kernel message ring buffer; set console_loglevel  
• krbafs - AFS library  
• l64a - convert between long and base-64  
• labs - compute the absolute value of an integer  
• lber-decode - LBER simplified Basic Encoding Rules library routines for decoding  
• lber-encode - LBER simplified Basic Encoding Rules library routines for encoding  
• lber-memory - LBER memory allocators  
• lber-types - LBER types and allocation functions  
• lcong48 - generate uniformly distributed pseudo-random numbers  
• ld_errno - LDAP protocol error handling routines  
• ldap - OpenLDAP Lightweight Directory Access Protocol API  
• ldap_abandon - Abandon an LDAP operation in progress  
• ldap_abandon_ext - Abandon an LDAP operation in progress  
• ldap_add - Perform an LDAP add operation  
• ldap_add_ext - Perform an LDAP add operation  
• ldap_add_ext_s - Perform an LDAP add operation  
• ldap_add_s - Perform an LDAP add operation  
• ldap_attributetype2name - Schema definition handling routines  
• ldap_attributetype2str - Schema definition handling routines  
• ldap_attributetype_free - Schema definition handling routines  
• ldap_bind - LDAP bind routines  
• ldap_bind_s - LDAP bind routines  
• ldap_compare - Perform an LDAP compare operation  
• ldap_compare_ext - Perform an LDAP compare operation  
• ldap_compare_ext_s - Perform an LDAP compare operation  
• ldap_compare_s - Perform an LDAP compare operation  
• ldap_count_entries - LDAP result entry parsing and counting routines  
• ldap_count_messages - Stepping through messages in a result chain  
• ldap_count_references - Stepping through continuation references in a result chain  
• ldap_count_values - LDAP attribute value handling routines  
• ldap_count_values_len - LDAP attribute value handling routines  
• ldap_dcedn2dn - LDAP DN handling routines  
• ldap_delete - Perform an LDAP delete operation  
• ldap_delete_ext - Perform an LDAP delete operation  
• ldap_delete_ext_s - Perform an LDAP delete operation  
• ldap_delete_s - Perform an LDAP delete operation  
• ldap_dn2ad_canonical - LDAP DN handling routines  
• ldap_dn2dcedn - LDAP DN handling routines  
• ldap_dn2str - LDAP DN handling routines  
• ldap_dn2ufn - LDAP DN handling routines  
• ldap_err2string - LDAP protocol error handling routines  
• ldap_errlist - LDAP protocol error handling routines  
• ldap_error - LDAP protocol error handling routines  
• ldap_explode_dn - LDAP DN handling routines  
• ldap_explode_rdn - LDAP DN handling routines  
• ldap_first_attribute - step through LDAP entry attributes  
• ldap_first_entry - LDAP result entry parsing and counting routines  
• ldap_first_message - Stepping through messages in a result chain  
• ldap_first_reference - Stepping through continuation references in a result chain  
• ldap_free_urldesc - LDAP Uniform Resource Locator routines  
• ldap_get_dn - LDAP DN handling routines  
• ldap_get_values - LDAP attribute value handling routines  
• ldap_get_values_len - LDAP attribute value handling routines  
• ldap_init - Initialize the LDAP library and open a connection to an LDAP server  
• ldap_is_ldap_url - LDAP Uniform Resource Locator routines  
• ldap_kerberos_bind1 - LDAP bind routines  
• ldap_kerberos_bind1_s - LDAP bind routines  
• ldap_kerberos_bind2 - LDAP bind routines  
• ldap_kerberos_bind2_s - LDAP bind routines  
• ldap_kerberos_bind_s - LDAP bind routines  
• ldap_matchingrule2name - Schema definition handling routines  
• ldap_matchingrule2str - Schema definition handling routines  
• ldap_matchingrule_free - Schema definition handling routines  
• ldap_modify - Perform an LDAP modify operation  
• ldap_modify_ext - Perform an LDAP modify operation  
• ldap_modify_ext_s - Perform an LDAP modify operation  
• ldap_modify_s - Perform an LDAP modify operation  
• ldap_modrdn - Perform an LDAP modify RDN operation  
• ldap_modrdn2 - Perform an LDAP modify RDN operation  
• ldap_modrdn2_s - Perform an LDAP modify RDN operation  
• ldap_modrdn_s - Perform an LDAP modify RDN operation  
• ldap_mods_free - Perform an LDAP modify operation  
• ldap_msgfree - Wait for the result of an LDAP operation  
• ldap_msgid - Wait for the result of an LDAP operation  
• ldap_msgtype - Wait for the result of an LDAP operation  
• ldap_next_attribute - step through LDAP entry attributes  
• ldap_next_entry - LDAP result entry parsing and counting routines  
• ldap_next_message - Stepping through messages in a result chain  
• ldap_next_reference - Stepping through continuation references in a result chain  
• ldap_objectclass2name - Schema definition handling routines  
• ldap_objectclass2str - Schema definition handling routines  
• ldap_objectclass_free - Schema definition handling routines  
• ldap_open - Initialize the LDAP library and open a connection to an LDAP server  
• ldap_parse_extended_result - Parsing results  
• ldap_parse_reference - Extract referrals and controls from a reference message  
• ldap_parse_result - Parsing results  
• ldap_parse_sasl_bind_result - Parsing results  
• ldap_perror - LDAP protocol error handling routines  
• ldap_result - Wait for the result of an LDAP operation  
• ldap_result2error - LDAP protocol error handling routines  
• ldap_sasl_bind - LDAP bind routines  
• ldap_sasl_bind_s - LDAP bind routines  
• ldap_schema - Schema definition handling routines  
• ldap_scherr2str - Schema definition handling routines  
• ldap_search - Perform an LDAP search operation  
• ldap_search_ext - Perform an LDAP search operation  
• ldap_search_ext_s - Perform an LDAP search operation  
• ldap_search_s - Perform an LDAP search operation  
• ldap_search_st - Perform an LDAP search operation  
• ldap_simple_bind - LDAP bind routines  
• ldap_simple_bind_s - LDAP bind routines  
• ldap_sort - LDAP sorting routines  
• ldap_sort_entries - LDAP sorting routines  
• ldap_sort_strcasecmp - LDAP sorting routines  
• ldap_sort_values - LDAP sorting routines  
• ldap_str2attributetype - Schema definition handling routines  
• ldap_str2dn - LDAP DN handling routines  
• ldap_str2matchingrule - Schema definition handling routines  
• ldap_str2objectclass - Schema definition handling routines  
• ldap_str2syntax - Schema definition handling routines  
• ldap_syntax2name - Schema definition handling routines  
• ldap_syntax2str - Schema definition handling routines  
• ldap_syntax_free - Schema definition handling routines  
• ldap_unbind - LDAP bind routines  
• ldap_unbind_ext - LDAP bind routines  
• ldap_unbind_ext_s - LDAP bind routines  
• ldap_unbind_s - LDAP bind routines  
• ldap_url - LDAP Uniform Resource Locator routines  
• ldap_url_parse - LDAP Uniform Resource Locator routines  
• ldap_value_free - LDAP attribute value handling routines  
• ldap_value_free_len - LDAP attribute value handling routines  
• ldexp - multiply floating-point number by integral power of 2  
• ldexpf - multiply floating-point number by integral power of 2  
• ldexpl - multiply floating-point number by integral power of 2  
• ldiv - compute quotient and remainder of an integer division  
• lfind - linear search of an array  
• lgamma - log gamma function  
• lgamma_r - log gamma function  
• lgammaf - log gamma function  
• lgammaf_r - log gamma function  
• lgammal - log gamma function  
• lgammal_r - log gamma function  
• libblkid - block device identification library  
• libcurl-easy - easy - easy interface overview  
• libcurl-errors - errors - error codes in libcurl  
• libcurl-multi - multi - how to use the multi interface  
• libcurl-share - share - how to use the share interface  
• libcurl-tutorial - tutorial - libcurl programming tutorial  
• libcurl - client-side URL transfers  
• libmagic - Magic number recognition library.  
• libsensors - publically accessible functions provided by the sensors library  
• libuuid - DCE compatible Universally Unique Identifier library  
• libxml - library used to parse XML files  
• llabs - compute the absolute value of an integer  
• lldiv - compute quotient and remainder of an integer division  
• llrint - round to nearest integer  
• llrintf - round to nearest integer  
• llrintl - round to nearest integer  
• llround - round to nearest integer, away from zero  
• llroundf - round to nearest integer, away from zero  
• llroundl - round to nearest integer, away from zero  
• localeconv - get numeric formatting information  
• localtime - transform date and time to broken-down time or ASCII  
• localtime_r - transform date and time to broken-down time or ASCII  
• lockdev - manage device lockfiles  
• lockf - apply, test or remove a POSIX lock on an open file  
• log - natural logarithmic function  
• log10 - base-10 logarithmic function  
• log10f - base-10 logarithmic function  
• log10l - base-10 logarithmic function  
• log1p - logarithm of 1 plus argument  
• log1pf - logarithm of 1 plus argument  
• log1pl - logarithm of 1 plus argument  
• log2 - base-2 logarithmic function  
• log2f - base-2 logarithmic function  
• log2l - base-2 logarithmic function  
• logf - natural logarithmic function  
• login - write utmp and wtmp entries  
• login_tty - tty utility functions  
• logl - natural logarithmic function  
• logout - write utmp and wtmp entries  
• logwtmp - append an entry to the wtmp file  
• longjmp - non-local jump to a saved stack context  
• lrand48 - generate uniformly distributed pseudo-random numbers  
• lrint - round to nearest integer  
• lrintf - round to nearest integer  
• lrintl - round to nearest integer  
• lround - round to nearest integer, away from zero  
• lroundf - round to nearest integer, away from zero  
• lroundl - round to nearest integer, away from zero  
• lsearch - linear search of an array  
• lsetfilecon - set SE Linux security context of a file  
• makecontext - manipulate user context  
• malloc - Allocate and free dynamic memory  
• malloc_hook - malloc debugging variables  
• manual_user_enter_context - determine context(s) for user login sessions  
• matchmediacon - get the default security context for the specified mediatype from the policy.  
• matchpathcon - get the default security context for the specified file from the policy.  
• mblen - determine number of bytes in next multibyte character  
• mbrlen - determine number of bytes in next multibyte character  
• mbrtowc - convert a multibyte sequence to a wide character  
• mbsinit - test for initial shift state  
• mbsnrtowcs - convert a multibyte string to a wide character string  
• mbsrtowcs - convert a multibyte string to a wide character string  
• mbstowcs - convert a multibyte string to a wide character string  
• mbtowc - convert a multibyte sequence to a wide character  
• memalign - Allocate aligned memory  
• memccpy - copy memory area  
• memchr - scan memory for a character  
• memcmp - compare memory areas  
• memcpy - copy memory area  
• memfrob - frobnicate (encrypt) a memory area  
• memmem - locate a substring  
• memmove - copy memory area  
• mempcpy - copy memory area  
• memrchr - scan memory for a character  
• memset - fill memory with a constant byte  
• mkdtemp - create a unique temporary directory