NAME

wcsspn — get length of a wide substring

SYNOPSIS

#include <wchar.h>

size_t wcsspn(const wchar_t *ws1, const wchar_t *ws2);

DESCRIPTION

The wcsspn() function computes the length of the maximum initial segment of the wide-character string pointed to by ws1 which consists entirely of wide-character codes from the wide-character string pointed to by ws2 .

RETURN VALUE

The wcsspn() function returns the length ws1 ; no return value is reserved to indicate an error.

ERRORS

No errors are defined.

EXAMPLES

None.

APPLICATION USAGE

None.

FUTURE DIRECTIONS

None.

SEE ALSO

wcscspn(3) , <wchar.h> .

DERIVATION

Derived from the MSE working draft.