319 int os_memcmp(const void *s1, const void *s2, size_t n)  in os_memcmp()  argument
321 	const unsigned char *p1 = s1, *p2 = s2;  in os_memcmp()
361 int os_strcasecmp(const char *s1, const char *s2)  in os_strcasecmp()  argument
367 	return os_strcmp(s1, s2);  in os_strcasecmp()
371 int os_strncasecmp(const char *s1, const char *s2, size_t n)  in os_strncasecmp()  argument
377 	return os_strncmp(s1, s2, n);  in os_strncasecmp()
407 int os_strcmp(const char *s1, const char *s2)  in os_strcmp()  argument
409 	while (*s1 == *s2) {  in os_strcmp()
410 		if (*s1 == '\0')  in os_strcmp()
412 		s1++;  in os_strcmp()
416 	return *s1 - *s2;  in os_strcmp()
420 int os_strncmp(const char *s1, const char *s2, size_t n)  in os_strncmp()  argument
425 	while (*s1 == *s2) {  in os_strncmp()
426 		if (*s1 == '\0')  in os_strncmp()
428 		s1++;  in os_strncmp()
435 	return *s1 - *s2;  in os_strncmp()