strndupa(3) -- Linux man page
NAME
strdup, strndup, strdupa, strndupa - duplicate a string
SYNOPSIS
#include <string.h>
char *strdup(const char *s);
#define _GNU_SOURCE
#include <string.h>
char *strndup(const char *s, size_t n);
char *strdupa(const char *s);
char *strndupa(const char *s, size_t n);
DESCRIPTION
The strdup() function returns a pointer to a new string which
is a duplicate of the string s. Memory for the new string is
obtained with malloc(3), and can be freed with free(3).
The strndup() function is similar, but only copies at most
n characters. If s is longer than n, only n
characters are copied, and a terminating NUL is added.
strdupa and strndupa are similar, but use alloca(3)
to allocate the buffer. They are only available when using the GNU
GCC suite, and suffer from the same limitations described in alloca(3).
RETURN VALUE
The strdup() function returns a pointer to the duplicated
string, or NULL if insufficient memory was available.
ERRORS
- ENOMEM
-
Insufficient memory available to allocate duplicate string.
CONFORMING TO
SVID 3, BSD 4.3.
strndup(), strdupa(), and strndupa() are GNU extensions.
SEE ALSO
alloca(3),
calloc(3),
free(3),
malloc(3),
realloc(3)
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