man _ustrdup () - Duplicates a string with a custom memory allocator. Allegro game programming library.
NAME
_ustrdup - Duplicates a string with a custom memory allocator. Allegro game programming library.
SYNOPSIS
#include <allegro.h>
char *_ustrdup(const char *src, void* (*malloc_func)(size_t))
DESCRIPTION
Does the same as ustrdup(), but allows the user to specify a custom memory allocator function.