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+'\" et
+.TH WCSCOLL "3P" 2017 "IEEE/The Open Group" "POSIX Programmer's Manual"
+.\"
+.SH PROLOG
+This manual page is part of the POSIX Programmer's Manual.
+The Linux implementation of this interface may differ (consult
+the corresponding Linux manual page for details of Linux behavior),
+or the interface may not be implemented on Linux.
+.\"
+.SH NAME
+wcscoll,
+wcscoll_l
+\(em wide-character string comparison using collating information
+.SH SYNOPSIS
+.LP
+.nf
+#include <wchar.h>
+.P
+int wcscoll(const wchar_t *\fIws1\fP, const wchar_t *\fIws2\fP);
+int wcscoll_l(const wchar_t *\fIws1\fP, const wchar_t *\fIws2\fP,
+    locale_t \fIlocale\fP);
+.fi
+.SH DESCRIPTION
+For
+\fIwcscoll\fR():
+The functionality described on this reference page is aligned with the
+ISO\ C standard. Any conflict between the requirements described here and the
+ISO\ C standard is unintentional. This volume of POSIX.1\(hy2017 defers to the ISO\ C standard.
+.P
+The
+\fIwcscoll\fR()
+and
+\fIwcscoll_l\fR()
+functions shall compare the wide-character string pointed to by
+.IR ws1
+to the wide-character string pointed to by
+.IR ws2 ,
+both interpreted as appropriate to the
+.IR LC_COLLATE
+category of the current locale,
+or the locale represented by
+.IR locale ,
+respectively.
+.P
+The
+\fIwcscoll\fR()
+and
+\fIwcscoll_l\fR()
+functions shall not change the setting of
+.IR errno
+if successful.
+.P
+An application wishing to check for error situations should set
+.IR errno
+to 0 before calling
+\fIwcscoll\fR()
+or
+\fIwcscoll_l\fR().
+If
+.IR errno
+is non-zero on return, an error has occurred.
+.P
+The behavior is undefined if the
+.IR locale
+argument to
+\fIwcscoll_l\fR()
+is the special locale object LC_GLOBAL_LOCALE or is not a valid locale
+object handle.
+.SH "RETURN VALUE"
+Upon successful completion,
+\fIwcscoll\fR()
+and
+\fIwcscoll_l\fR()
+shall return an integer greater than, equal to, or less than 0,
+according to whether the wide-character string pointed to by
+.IR ws1
+is greater than, equal to, or less than the wide-character string
+pointed to by
+.IR ws2 ,
+when both are interpreted as appropriate to the current locale,
+or to the locale represented by
+.IR locale ,
+respectively. On error,
+\fIwcscoll\fR()
+and
+\fIwcscoll_l\fR()
+shall set
+.IR errno ,
+but no return value is reserved to indicate an error.
+.SH ERRORS
+These functions may fail if:
+.TP
+.BR EINVAL
+The
+.IR ws1
+or
+.IR ws2
+arguments contain wide-character codes outside the domain of the
+collating sequence.
+.LP
+.IR "The following sections are informative."
+.SH EXAMPLES
+None.
+.SH "APPLICATION USAGE"
+The
+\fIwcsxfrm\fR()
+and
+\fIwcscmp\fR()
+functions should be used for sorting large lists.
+.SH RATIONALE
+None.
+.SH "FUTURE DIRECTIONS"
+None.
+.SH "SEE ALSO"
+.IR "\fIwcscmp\fR\^(\|)",
+.IR "\fIwcsxfrm\fR\^(\|)"
+.P
+The Base Definitions volume of POSIX.1\(hy2017,
+.IR "\fB<wchar.h>\fP"
+.\"
+.SH COPYRIGHT
+Portions of this text are reprinted and reproduced in electronic form
+from IEEE Std 1003.1-2017, Standard for Information Technology
+-- Portable Operating System Interface (POSIX), The Open Group Base
+Specifications Issue 7, 2018 Edition,
+Copyright (C) 2018 by the Institute of
+Electrical and Electronics Engineers, Inc and The Open Group.
+In the event of any discrepancy between this version and the original IEEE and
+The Open Group Standard, the original IEEE and The Open Group Standard
+is the referee document. The original Standard can be obtained online at
+http://www.opengroup.org/unix/online.html .
+.PP
+Any typographical or formatting errors that appear
+in this page are most likely
+to have been introduced during the conversion of the source files to
+man page format. To report such errors, see
+https://www.kernel.org/doc/man-pages/reporting_bugs.html .