Name
wcscspn - search a wide-character string for any of a set of wide characters Library
Standard C library ( libc ", " -lc ) Synopsis
#include <wchar.h>
size_t wcscspn(const wchar_t *" wcs ", const wchar_t * reject );
Description
The wcscspn() function is the wide-character equivalent of the strcspn(3) function. It determines the length of the longest initial segment of wcs which consists entirely of wide-characters not listed in reject. In other words, it searches for the first occurrence in the wide-character string wcs of any of the characters in the wide-character string reject. Return Value
The wcscspn() function returns the number of wide characters in the longest initial segment of wcs which consists entirely of wide-characters not listed in reject. In other words, it returns the position of the first occurrence in the wide-character string wcs of any of the characters in the wide-character string reject, or wcslen(wcs) if there is none. Attributes
For an explanation of the terms used in this section, see attributes(7). allbox; lbx lb lb | Interface | Attribute | Value |
T{ wcscspn() | T} | Thread safety | MT-Safe |