WCSCSPN(3)

NAME
7.12 `wcscspn'--get length of a complementary wide substring

SYNOPSIS
     #include <wchar.h>
     size_t wcscspn(const wchar_t *S, wchar_t *SET);

DESCRIPTION
The `wcscspn' function computes the length of the maximum initial segment of the wide-character string pointed to by S which consists entirely of wide-character codes not from the wide-character string pointed to by SET.

RETURNS
The `wcscspn' function returns the length of the initial substring of S1; no return value is reserved to indicate an error.

PORTABILITY
`wcscspn' is ISO/IEC 9899/AMD1:1995 (ISO C).
   No supporting OS subroutines are required.

SEE ALSO
wcscspn is part of the library. The full documentation for is maintained as a Texinfo manual. If info and are properly installed at your site, the command

    info

will give you access to the complete manual.