387 strcat(char *s1, const char *s2)  in strcat()  argument
389 	char *os1 = s1;  in strcat()
391 	while (*s1++ != '\0')  in strcat()
393 	s1--;  in strcat()
394 	while ((*s1++ = *s2++) != '\0')  in strcat()
410 strcmp(const char *s1, const char *s2)  in strcmp()  argument
412 	while (*s1 == *s2++)  in strcmp()
413 		if (*s1++ == '\0')  in strcmp()
415 	return (*(unsigned char *)s1 - *(unsigned char *)--s2);  in strcmp()
419 strncmp(const char *s1, const char *s2, size_t n)  in strncmp()  argument
421 	if (s1 == s2)  in strncmp()
424 	while (--n != 0 && *s1 == *s2++)  in strncmp()
425 		if (*s1++ == '\0')  in strncmp()
427 	return ((n == 0) ? 0 : *(unsigned char *)s1 - *(unsigned char *)--s2);  in strncmp()
466 strcasecmp(const char *s1, const char *s2)  in strcasecmp()  argument
469 	const unsigned char *us1 = (const unsigned char *)s1;  in strcasecmp()
479 strncasecmp(const char *s1, const char *s2, size_t n)  in strncasecmp()  argument
482 	const unsigned char *us1 = (const unsigned char *)s1;  in strncasecmp()
494 strcpy(char *s1, const char *s2)  in strcpy()  argument
496 	char *os1 = s1;  in strcpy()
498 	while ((*s1++ = *s2++) != '\0')  in strcpy()
504 strncpy(char *s1, const char *s2, size_t n)  in strncpy()  argument
506 	char *os1 = s1;  in strncpy()
509 	while (--n != 0 && (*s1++ = *s2++) != '\0')  in strncpy()
513 			*s1++ = '\0';  in strncpy()
533 	const char *s1, *s2;  in strstr()  local
537 	s1 = as1;  in strstr()
541 		return ((char *)s1);  in strstr()
544 	while (*s1)  in strstr()
545 		if (*s1++ == c) {  in strstr()
546 			tptr = s1;  in strstr()
547 			while ((c = *++s2) == *s1++ && c)  in strstr()
551 			s1 = tptr;  in strstr()
575 strncat(char *s1, const char *s2, size_t n)  in strncat()  argument
577 	char *os1 = s1;  in strncat()
580 	while (*s1++ != '\0')  in strncat()
582 	--s1;  in strncat()
583 	while ((*s1++ = *s2++) != '\0') {  in strncat()
585 			s1[-1] = '\0';  in strncat()