NAME
wcscspn —
span the complement of a wide
string
SYNOPSIS
#include
<wchar.h>
size_t
wcscspn(const
wchar_t *s, const wchar_t
*charset);
DESCRIPTION
The
wcscspn()
function spans the initial part of the wide string s
as long as the wide characters from s do not occur in
string charset (it spans the
complement
of charset).
RETURN VALUES
The wcscspn() function returns the number
of wide characters spanned.
SEE ALSO
strcspn(3), wcschr(3), wcspbrk(3), wcsrchr(3), wcsspn(3), wcsstr(3), wcstok(3), wmemchr(3)
STANDARDS
The wcscspn() function conforms to
ISO/IEC 9899:1999 (“ISO C99”)
and was first introduced in ISO/IEC 9899/AMD1:1995
(“ISO C90, Amendment 1”).
HISTORY
The wcscspn() function was ported from
NetBSD and first appeared in
OpenBSD 3.8.