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PROLOG | NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | ERRORS | EXAMPLES | APPLICATION USAGE | RATIONALE | FUTURE DIRECTIONS | SEE ALSO | COPYRIGHT |
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MBSINIT(3P) POSIX Programmer's Manual MBSINIT(3P)
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.
mbsinit — determine conversion object status
#include <wchar.h>
int mbsinit(const mbstate_t *ps);
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.1‐2017 defers to the ISO C standard.
If ps is not a null pointer, the mbsinit() function shall
determine whether the object pointed to by ps describes an
initial conversion state.
The mbsinit() function shall return non-zero if ps is a null
pointer, or if the pointed-to object describes an initial
conversion state; otherwise, it shall return zero.
If an mbstate_t object is altered by any of the functions
described as ``restartable'', and is then used with a different
character sequence, or in the other conversion direction, or with
a different LC_CTYPE category setting than on earlier function
calls, the behavior is undefined.
No errors are defined.
The following sections are informative.
None.
The mbstate_t object is used to describe the current conversion
state from a particular character sequence to a wide-character
sequence (or vice versa) under the rules of a particular setting
of the LC_CTYPE category of the current locale.
The initial conversion state corresponds, for a conversion in
either direction, to the beginning of a new character sequence in
the initial shift state. A zero valued mbstate_t object is at
least one way to describe an initial conversion state. A zero
valued mbstate_t object can be used to initiate conversion
involving any character sequence, in any LC_CTYPE category
setting.
None.
None.
mbrlen(3p), mbrtowc(3p), mbsrtowcs(3p), wcrtomb(3p),
wcsrtombs(3p)
The Base Definitions volume of POSIX.1‐2017, wchar.h(0p)
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 .
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 .
IEEE/The Open Group 2017 MBSINIT(3P)
Pages that refer to this page: wchar.h(0p), freopen(3p), mbrlen(3p), mbrtowc(3p), mbsrtowcs(3p), wcrtomb(3p), wcsrtombs(3p)
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HTML rendering created 2024-06-26 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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