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Manual Reference Pages  - WCSCSPN (3)

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

CONTENTS

Synopsis
Description

#include <wchar.h> 



size_t wcscspn(const wchar_t *wcs, const wchar_t *reject); 

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.

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.

ISO/ANSI C, UNIX98

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

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