12 void *memset(void *dst, int val, size_t count)  in memset()  argument
14 	char *ptr = dst;  in memset()
19 	return dst;  in memset()
45 void *memcpy(void *dst, const void *src, size_t len)  in memcpy()  argument
48 	char *d = dst;  in memcpy()
53 	return dst;  in memcpy()
59 void *memmove(void *dst, const void *src, size_t len)  in memmove()  argument
69 	if ((size_t)dst - (size_t)src >= len) {  in memmove()
71 		return memcpy(dst, src, len);  in memmove()
74 		const char *end = dst;  in memmove()
76 		char *d = (char *)dst + len;  in memmove()
80 	return dst;  in memmove()