Free a memory block which has been allocated with av_malloc(z)() or av_realloc() and set the pointer pointing to it to NULL. @param ptr Pointer to the pointer to the memory block which should be freed. @see av_free()
See Implementation
Free a memory block which has been allocated with av_malloc(z)() or av_realloc() and set the pointer pointing to it to NULL. @param ptr Pointer to the pointer to the memory block which should be freed. @see av_free()