NAME
wcsspn —
span a wide string
SYNOPSIS
#include
<wchar.h>
size_t
wcsspn(const
wchar_t *s, const wchar_t
*charset);
DESCRIPTION
The
wcsspn()
function spans the initial part of the wide string s
as long as the wide characters from s occur in the
wide string charset.
RETURN VALUES
The wcsspn() function returns the number
of wide characters spanned.
SEE ALSO
strspn(3), wcschr(3), wcscspn(3), wcspbrk(3), wcsrchr(3), wcsstr(3), wcstok(3), wmemchr(3)
STANDARDS
The wcsspn() 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 wcsspn() function was ported from
NetBSD and first appeared in
OpenBSD 3.8.