centos man page for putwc

PUTWC(3P)						     POSIX Programmer's Manual							 PUTWC(3P)

PROLOG
       This  manual page is part of the POSIX Programmer's Manual.  The Linux implementation of this interface may differ (consult the correspond-
       ing Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux.

NAME
       putwc - put a wide character on a stream

SYNOPSIS
       #include <stdio.h>
       #include <wchar.h>

       wint_t putwc(wchar_t wc, FILE *stream);

DESCRIPTION
       The putwc() function shall be equivalent to fputwc(), except that if it is implemented as a macro it may evaluate stream more than once, so
       the argument should never be an expression with side effects.

RETURN VALUE
       Refer to fputwc().

ERRORS
       Refer to fputwc().

       The following sections are informative.

EXAMPLES
       None.

APPLICATION USAGE
       Since  it  may  be implemented as a macro, putwc() may treat a stream argument with side effects incorrectly. In particular, putwc(wc,*f++)
       need not work correctly.  Therefore, use of this function is not recommended; fputwc() should be used instead.

RATIONALE
       None.

FUTURE DIRECTIONS
       None.

SEE ALSO
       fputwc(), the Base Definitions volume of IEEE Std 1003.1-2001, <stdio.h>, <wchar.h>

COPYRIGHT
       Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1, 2003 Edition, Standard for Information Technol-
       ogy -- Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 6, Copyright (C) 2001-2003 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 .

IEEE
/The Open Group						       2003								 PUTWC(3P)