'\" t
.\" Copyright, Bruno Haible <haible@clisp.cons.org>
.\" Copyright 2024, Alejandro Colomar <alx@kernel.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
.\"   ISO/IEC 9899:1999
.\"
.TH mbsinit 3 (date) "Linux man-pages (unreleased)"
.SH NAME
mbsinit
\-
test for initial shift state
.SH LIBRARY
Standard C library
.RI ( libc ", " \-lc )
.SH SYNOPSIS
.nf
.B #include <wchar.h>
.P
.BI "int mbsinit(const mbstate_t *" ps );
.fi
.SH DESCRIPTION
The function
.BR mbsinit ()
tests whether
.I *ps
corresponds to an
initial state.
.SH RETURN VALUE
.BR mbsinit ()
returns nonzero if
.I *ps
is an initial state, or if
.I ps
is NULL.
Otherwise, it returns 0.
.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 mbsinit ()
T}	Thread safety	MT-Safe
.TE
.SH STANDARDS
C11, POSIX.1-2008.
.SH HISTORY
POSIX.1-2001, C99.
.SH NOTES
The behavior of
.BR mbsinit ()
depends on the
.B LC_CTYPE
category of the
current locale.
.SH SEE ALSO
.BR mbstate_t (3type),
.BR mbrlen (3),
.BR mbrtowc (3),
.BR mbsrtowcs (3),
.BR wcrtomb (3),
.BR wcsrtombs (3)