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+.\" **************************************************************************
+.\" *                                  _   _ ____  _
+.\" *  Project                     ___| | | |  _ \| |
+.\" *                             / __| | | | |_) | |
+.\" *                            | (__| |_| |  _ <| |___
+.\" *                             \___|\___/|_| \_\_____|
+.\" *
+.\" * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al.
+.\" *
+.\" * This software is licensed as described in the file COPYING, which
+.\" * you should have received as part of this distribution. The terms
+.\" * are also available at https://curl.haxx.se/docs/copyright.html.
+.\" *
+.\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+.\" * copies of the Software, and permit persons to whom the Software is
+.\" * furnished to do so, under the terms of the COPYING file.
+.\" *
+.\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+.\" * KIND, either express or implied.
+.\" *
+.\" **************************************************************************
+.TH curl_printf 3 "30 April 2004" "libcurl 7.12" "libcurl Manual"
+.SH NAME
+curl_maprintf, curl_mfprintf, curl_mprintf, curl_msnprintf, curl_msprintf
+curl_mvaprintf, curl_mvfprintf, curl_mvprintf, curl_mvsnprintf,
+curl_mvsprintf - formatted output conversion
+.SH SYNOPSIS
+.B #include <curl/mprintf.h>
+.sp
+.BI "int curl_mprintf(const char *" format ", ...);"
+.br
+.BI "int curl_mfprintf(FILE *" fd ", const char *" format ", ...);"
+.br
+.BI "int curl_msprintf(char *" buffer ", const char *" format ", ...);"
+.br
+.BI "int curl_msnprintf(char *" buffer ", size_t " maxlength ", const char *" format ", ...);"
+.br
+.BI "int curl_mvprintf(const char *" format ", va_list " args ");"
+.br
+.BI "int curl_mvfprintf(FILE *" fd ", const char *" format ", va_list " args ");"
+.br
+.BI "int curl_mvsprintf(char *" buffer ", const char *" format ", va_list " args ");"
+.br
+.BI "int curl_mvsnprintf(char *" buffer ", size_t " maxlength ", const char *" format ", va_list " args ");"
+.br
+.BI "char *curl_maprintf(const char *" format ", ...);"
+.br
+.BI "char *curl_mvaprintf(const char *" format ", va_list " args ");"
+.SH DESCRIPTION
+These are all functions that produce output according to a format string and
+given arguments. These are mostly clones of the well-known C-style functions
+and there will be no detailed explanation of all available formatting rules
+and usage here.
+
+See this table for notable exceptions.
+.RS
+.TP
+.B curl_mprintf()
+Normal printf() clone.
+.TP
+.B curl_mfprintf()
+Normal fprintf() clone.
+.TP
+.B curl_msprintf()
+Normal sprintf() clone.
+.TP
+.B curl_msnprintf()
+snprintf() clone. Many systems don't have this. It is just like \fBsprintf\fP
+but with an extra argument after the buffer that specifies the length of the
+target buffer.
+.TP
+.B curl_mvprintf()
+Normal vprintf() clone.
+.TP
+.B curl_mvfprintf()
+Normal vfprintf() clone.
+.TP
+.B curl_mvsprintf()
+Normal vsprintf() clone.
+.TP
+.B curl_mvsnprintf()
+vsnprintf() clone.  Many systems don't have this. It is just like
+\fBvsprintf\fP but with an extra argument after the buffer that specifies the
+length of the target buffer.
+.TP
+.B curl_maprintf()
+Like printf() but returns the output string as a malloc()ed string. The
+returned string must be free()ed by the receiver.
+.TP
+.B curl_mvaprintf()
+Like curl_maprintf() but takes a va_list pointer argument instead of a
+variable amount of arguments.
+.RE
+.SH AVAILABILITY
+These functions will be removed from the public libcurl API in the future. Do
+not use them in any new programs or projects.
+.SH RETURN VALUE
+The \fBcurl_maprintf\fP and \fBcurl_mvaprintf\fP functions return a pointer to
+a newly allocated string, or NULL if it failed.
+
+All other functions return the number of characters they actually outputted.
+.SH "SEE ALSO"
+.BR printf "(3), " sprintf "(3), " fprintf "(3), " vprintf "(3) "