A pointer to the allocated memory block if successful, NULL otherwise. Description Operates in a manner similar to malloc . A pointer to the destination memory area. Description HDmemfill can be used to copy a specified fill value into an array of any data type. A pointer to the reallocated memory block if successful, NULL otherwise.
Description Operates in a manner similar to realloc .
Return value Pointer to the duplicated string if successful, or NULL otherwise. Description Operates in a manner similar to strdup .