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x SuSE Linux 13.1-RELEASEx
wcscspn(3) Library Functions Manual wcscspn(3)
NAME
wcscspn - search a wide-character string for any of a set of wide char-
acters
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 strc-
spn(3) function. It determines the length of the longest initial seg-
ment 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-charac-
ter 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-charac-
ters 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 at-
tributes(7).
+--------------------------------------------+---------------+---------+
|Interface | Attribute | Value |
+--------------------------------------------+---------------+---------+
|wcscspn() | Thread safety | MT-Safe |
+--------------------------------------------+---------------+---------+
STANDARDS
C11, POSIX.1-2008.
HISTORY
POSIX.1-2001, C99.
SEE ALSO
strcspn(3), wcspbrk(3), wcsspn(3)
Linux man-pages 6.04 2023-03-30 wcscspn(3)
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