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WCSCSPN (3) | C library functions | Unix Manual Pages | :man

NAME

wcscspn - search a wide-character string for any of a set of wide characters

CONTENTS

Synopsis
Description

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 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.

"CONFORMING TO"

ISO/ANSI C, UNIX98

"SEE ALSO"

strcspn(3), wcspbrk(3), wcsspn(3)


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