WCSSPN(3) | Library Functions Manual | WCSSPN(3)

# 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.

June 5, 2013 | Debian