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+.\" **************************************************************************
+.\" *                                  _   _ ____  _
+.\" *  Project                     ___| | | |  _ \| |
+.\" *                             / __| | | | |_) | |
+.\" *                            | (__| |_| |  _ <| |___
+.\" *                             \___|\___/|_| \_\_____|
+.\" *
+.\" * Copyright (C) 1998 - 2019, 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_global_init_mem 3 "10 May 2004" "libcurl 7.12.0" "libcurl Manual"
+.SH NAME
+curl_global_init_mem - Global libcurl initialisation with memory callbacks
+.SH SYNOPSIS
+.B #include <curl/curl.h>
+.nf
+.B "CURLcode curl_global_init_mem(long " flags,
+.B " curl_malloc_callback "m,
+.B " curl_free_callback "f,
+.B " curl_realloc_callback "r,
+.B " curl_strdup_callback "s,
+.B " curl_calloc_callback "c ");"
+.SH DESCRIPTION
+This function works exactly as \fIcurl_global_init(3)\fP with one addition: it
+allows the application to set callbacks to replace the otherwise used internal
+memory functions.
+
+If you are using libcurl from multiple threads or libcurl was built with the
+threaded resolver option then the callback functions must be thread safe. The
+threaded resolver is a common build option to enable (and in some cases the
+default) so we strongly urge you to make your callback functions thread safe.
+
+All callback arguments must be set to valid function pointers. The
+prototypes for the given callbacks must match these:
+.IP "void *malloc_callback(size_t size);"
+To replace malloc()
+.IP "void free_callback(void *ptr);"
+To replace free()
+.IP "void *realloc_callback(void *ptr, size_t size);"
+To replace realloc()
+.IP "char *strdup_callback(const char *str);"
+To replace strdup()
+.IP "void *calloc_callback(size_t nmemb, size_t size);"
+To replace calloc()
+.RE
+This function is otherwise the same as \fIcurl_global_init(3)\fP, please refer
+to that man page for documentation.
+.SH "CAUTION"
+Manipulating these gives considerable powers to the application to severely
+screw things up for libcurl. Take care!
+.SH AVAILABILITY
+Added in 7.12.0
+.SH "SEE ALSO"
+.BR curl_global_init "(3), "
+.BR curl_global_cleanup "(3), "