30 int strncasecmp(const char *s1, const char *s2, size_t len)  in strncasecmp()  argument
38 			c1 = *s1; c2 = *s2;  in strncasecmp()
39 			s1++; s2++;  in strncasecmp()
60 int strcasecmp(const char *s1, const char *s2)  in strcasecmp()  argument
62 	return strncasecmp(s1, s2, -1U);  in strcasecmp()
621 char * strstr(const char * s1,const char * s2)  in strstr()  argument
627 		return (char *) s1;  in strstr()
628 	l1 = strlen(s1);  in strstr()
631 		if (!memcmp(s1,s2,l2))  in strstr()
632 			return (char *) s1;  in strstr()
633 		s1++;  in strstr()