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53 <p class="level0"><a name="NAME"></a><h2 class="nroffsh">NAME</h2>
54 <p class="level0">curl_global_init_mem - Global libcurl initialisation with memory callbacks <a name="SYNOPSIS"></a><h2 class="nroffsh">SYNOPSIS</h2>
55 <p class="level0"><span Class="bold">#include <curl/curl.h></span> <pre class="level0">
56 <span Class="bold">CURLcode curl_global_init_mem(long flags,</span>
57 <span Class="bold"> curl_malloc_callback m,</span>
58 <span Class="bold"> curl_free_callback f,</span>
59 <span Class="bold"> curl_realloc_callback r,</span>
60 <span Class="bold"> curl_strdup_callback s,</span>
61 <span Class="bold"> curl_calloc_callback c );</span>
63 <a name="DESCRIPTION"></a><h2 class="nroffsh">DESCRIPTION</h2>
64 <p class="level0">This function works exactly as <a Class="emphasis" href="./curl_global_init.html">curl_global_init</a> with one addition: it allows the application to set callbacks to replace the otherwise used internal memory functions.
65 <p class="level0">When you use this function, all callback arguments must be set to valid function pointers. <span class="bold">If you are using libcurl from multiple threads or with the threaded resolver (the default in Windows) the callback replacement functions must be thread safe.</span>
66 <p class="level0">The prototypes for the given callbacks should match these:
67 <p class="level0"><a name="void"></a><span class="nroffip">void *malloc_callback(size_t size);</span>
68 <p class="level1">To replace malloc()
69 <p class="level0"><a name="void"></a><span class="nroffip">void free_callback(void *ptr);</span>
70 <p class="level1">To replace free()
71 <p class="level0"><a name="void"></a><span class="nroffip">void *realloc_callback(void *ptr, size_t size);</span>
72 <p class="level1">To replace realloc()
73 <p class="level0"><a name="char"></a><span class="nroffip">char *strdup_callback(const char *str);</span>
74 <p class="level1">To replace strdup()
75 <p class="level0"><a name="void"></a><span class="nroffip">void *calloc_callback(size_t nmemb, size_t size);</span>
76 <p class="level1">To replace calloc()
77 <p class="level0">This function is otherwise the same as <a Class="emphasis" href="./curl_global_init.html">curl_global_init</a>, please refer to that man page for documentation. <a name="CAUTION"></a><h2 class="nroffsh">CAUTION</h2>
78 <p class="level0">Manipulating these gives considerable powers to the application to severely screw things up for libcurl. Take care! <a name="SEE"></a><h2 class="nroffsh">SEE ALSO</h2>
79 <p class="level0"><a Class="manpage" href="./curl_global_init.html">curl_global_init</a>, <span Class="manpage"> </span> <a Class="manpage" href="./curl_global_cleanup.html">curl_global_cleanup</a>, <span Class="manpage"> </span>
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