mirror of https://github.com/mkerrisk/man-pages
76 lines
2.3 KiB
Plaintext
76 lines
2.3 KiB
Plaintext
.\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved
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.TH "VFWPRINTF" P 2003 "IEEE/The Open Group" "POSIX Programmer's Manual"
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.\" vfwprintf
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.SH NAME
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vfwprintf, vswprintf, vwprintf \- wide-character formatted output of
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a stdarg argument list
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.SH SYNOPSIS
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.LP
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\fB#include <stdarg.h>
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.br
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#include <stdio.h>
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.br
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#include <wchar.h>
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.br
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.sp
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int vfwprintf(FILE *restrict\fP \fIstream\fP\fB, const wchar_t *restrict\fP
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\fIformat\fP\fB,
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.br
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\ \ \ \ \ \ va_list\fP \fIarg\fP\fB);
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.br
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int vswprintf(wchar_t *restrict\fP \fIws\fP\fB, size_t\fP \fIn\fP\fB,
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.br
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\ \ \ \ \ \ const wchar_t *restrict\fP \fIformat\fP\fB, va_list\fP
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\fIarg\fP\fB);
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.br
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int vwprintf(const wchar_t *restrict\fP \fIformat\fP\fB, va_list\fP
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\fIarg\fP\fB);
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.br
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\fP
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.SH DESCRIPTION
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.LP
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The \fIvfwprintf\fP(), \fIvswprintf\fP(), and \fIvwprintf\fP() functions
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shall be equivalent to \fIfwprintf\fP(), \fIswprintf\fP(), and \fIwprintf\fP()
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respectively, except that instead of being called with a variable
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number of
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arguments, they are called with an argument list as defined by \fI<stdarg.h>\fP.
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.LP
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These functions shall not invoke the \fIva_end\fP macro. However,
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as these functions do invoke the \fIva_arg\fP macro, the
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value of \fIap\fP after the return is unspecified.
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.SH RETURN VALUE
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.LP
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Refer to \fIfwprintf\fP() .
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.SH ERRORS
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.LP
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Refer to \fIfwprintf\fP() .
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.LP
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\fIThe following sections are informative.\fP
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.SH EXAMPLES
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.LP
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None.
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.SH APPLICATION USAGE
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.LP
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Applications using these functions should call \fIva_end\fP(\fIap\fP)
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afterwards to clean up.
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.SH RATIONALE
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.LP
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None.
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.SH FUTURE DIRECTIONS
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.LP
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None.
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.SH SEE ALSO
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.LP
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\fIfwprintf\fP() , the Base Definitions volume of IEEE\ Std\ 1003.1-2001,
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\fI<stdarg.h>\fP, \fI<stdio.h>\fP, \fI<wchar.h>\fP
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.SH COPYRIGHT
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Portions of this text are reprinted and reproduced in electronic form
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from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
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-- Portable Operating System Interface (POSIX), The Open Group Base
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Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of
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Electrical and Electronics Engineers, Inc and The Open Group. In the
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event of any discrepancy between this version and the original IEEE and
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The Open Group Standard, the original IEEE and The Open Group Standard
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is the referee document. The original Standard can be obtained online at
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http://www.opengroup.org/unix/online.html .
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