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Diffstat (limited to 'man3/wcscasecmp.3')
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diff --git a/man3/wcscasecmp.3 b/man3/wcscasecmp.3 new file mode 100644 index 0000000..252228c --- /dev/null +++ b/man3/wcscasecmp.3 @@ -0,0 +1,100 @@ +'\" t +.\" Copyright (c) Bruno Haible <haible@clisp.cons.org> +.\" +.\" SPDX-License-Identifier: GPL-2.0-or-later +.\" +.\" References consulted: +.\" GNU glibc-2 source code and manual +.\" Dinkumware C library reference http://www.dinkumware.com/ +.\" OpenGroup's Single UNIX specification http://www.UNIX-systems.org/online.html +.\" +.TH wcscasecmp 3 2023-07-20 "Linux man-pages 6.05.01" +.SH NAME +wcscasecmp \- compare two wide-character strings, ignoring case +.SH LIBRARY +Standard C library +.RI ( libc ", " \-lc ) +.SH SYNOPSIS +.nf +.B #include <wchar.h> +.PP +.BI "int wcscasecmp(const wchar_t *" s1 ", const wchar_t *" s2 ); +.fi +.PP +.RS -4 +Feature Test Macro Requirements for glibc (see +.BR feature_test_macros (7)): +.RE +.PP +.BR wcscasecmp (): +.nf + Since glibc 2.10: + _POSIX_C_SOURCE >= 200809L + Before glibc 2.10: + _GNU_SOURCE +.fi +.SH DESCRIPTION +The +.BR wcscasecmp () +function is the wide-character equivalent of the +.BR strcasecmp (3) +function. +It compares the wide-character string pointed to +by +.I s1 +and the wide-character string pointed to by +.IR s2 , +ignoring +case differences +.RB ( towupper (3), +.BR towlower (3)). +.SH RETURN VALUE +The +.BR wcscasecmp () +function returns zero if the wide-character strings at +.I s1 +and +.I s2 +are equal except for case distinctions. +It returns a +positive integer if +.I s1 +is greater than +.IR s2 , +ignoring case. +It +returns a negative integer if +.I s1 +is smaller +than +.IR s2 , +ignoring case. +.SH ATTRIBUTES +For an explanation of the terms used in this section, see +.BR attributes (7). +.TS +allbox; +lbx lb lb +l l l. +Interface Attribute Value +T{ +.na +.nh +.BR wcscasecmp () +T} Thread safety MT-Safe locale +.TE +.sp 1 +.SH STANDARDS +POSIX.1-2008. +.SH HISTORY +glibc 2.1. +.SH NOTES +The behavior of +.BR wcscasecmp () +depends on the +.B LC_CTYPE +category of the +current locale. +.SH SEE ALSO +.BR strcasecmp (3), +.BR wcscmp (3) |