44 int strncasecmp(const char *s1, const char *s2, size_t len)  in strncasecmp()  argument
53 		c1 = *s1++;  in strncasecmp()
70 int strcasecmp(const char *s1, const char *s2)  in strcasecmp()  argument
75 		c1 = tolower(*s1++);  in strcasecmp()
701 bool sysfs_streq(const char *s1, const char *s2)  in sysfs_streq()  argument
703 	while (*s1 && *s1 == *s2) {  in sysfs_streq()
704 		s1++;  in sysfs_streq()
708 	if (*s1 == *s2)  in sysfs_streq()
710 	if (!*s1 && *s2 == '\n' && !s2[1])  in sysfs_streq()
712 	if (*s1 == '\n' && !s1[1] && !*s2)  in sysfs_streq()
1012 char *strstr(const char *s1, const char *s2)  in strstr()  argument
1018 		return (char *)s1;  in strstr()
1019 	l1 = strlen(s1);  in strstr()
1022 		if (!memcmp(s1, s2, l2))  in strstr()
1023 			return (char *)s1;  in strstr()
1024 		s1++;  in strstr()
1038 char *strnstr(const char *s1, const char *s2, size_t len)  in strnstr()  argument
1044 		return (char *)s1;  in strnstr()
1047 		if (!memcmp(s1, s2, l2))  in strnstr()
1048 			return (char *)s1;  in strnstr()
1049 		s1++;  in strnstr()