745 void * os_realloc(void *ptr, size_t size)  in os_realloc()  argument
751 	if (ptr == NULL)  in os_realloc()
754 	a = (struct os_alloc_trace *) ptr - 1;  in os_realloc()
769 	os_free(ptr);  in os_realloc()
774 void os_free(void *ptr)  in os_free()  argument
778 	if (ptr == NULL)  in os_free()
780 	a = (struct os_alloc_trace *) ptr - 1;  in os_free()
791 	wpa_trace_check_ref(ptr);  in os_free()
798 	void *ptr = os_malloc(size);  in os_zalloc()  local
799 	if (ptr)  in os_zalloc()
800 		os_memset(ptr, 0, size);  in os_zalloc()
801 	return ptr;  in os_zalloc()