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NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | ATTRIBUTES | CONFORMING TO | SEE ALSO | COLOPHON |
WCSCSPN(3) Linux Programmer's Manual WCSCSPN(3)
wcscspn - search a wide-character string for any of a set of wide
characters
#include <wchar.h>
size_t wcscspn(const wchar_t *wcs, const wchar_t *reject);
The wcscspn() function is the wide-character equivalent of the
strcspn(3) 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.
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.
For an explanation of the terms used in this section, see
attributes(7).
┌──────────┬───────────────┬─────────┐
│Interface │ Attribute │ Value │
├──────────┼───────────────┼─────────┤
│wcscspn() │ Thread safety │ MT-Safe │
└──────────┴───────────────┴─────────┘
POSIX.1-2001, POSIX.1-2008, C99.
strcspn(3), wcspbrk(3), wcsspn(3)
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GNU 2015-08-08 WCSCSPN(3)
Pages that refer to this page: strspn(3), wcspbrk(3), wcsspn(3), signal-safety(7)