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wcscspn(3) -- Linux man page
NAME
wcscspn - search a wide-character string for any of a set of wide characters
SYNOPSIS
#include <wchar.h>
size_t wcscspn(const wchar_t *wcs, const wchar_t *reject);
DESCRIPTION
The wcscspn function is the wide-character equivalent of the strcspn
function. It determines the length of the longest initial segment of wcs
which consists entirely of wide-characters not listed in reject. In
other words, it searches for the first occurrence in the wide-character
string wcs of any of the characters in the wide-character string
reject.
RETURN VALUE
The wcscspn function returns the number of wide characters in the longest
initial segment of wcs which consists entirely of wide-characters not
listed in reject. In other words, it returns the position of the first
occurrence in the wide-character string wcs of any of the characters in
the wide-character string reject, or wcslen(wcs) if there is none.
CONFORMING TO
ISO/ANSI C, UNIX98
SEE ALSO
strcspn(3),
wcspbrk(3),
wcsspn(3)
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