26   char *begin;  in simple_strsep()  local
30   begin = *s1;  in simple_strsep()
31   s = begin;  in simple_strsep()
32   if (begin == NULL)  in simple_strsep()
43 	      return begin;  in simple_strsep()
49   return begin;  in simple_strsep()
55   char *begin, *end;  in oldstrsep()  local
57   begin = *stringp;  in oldstrsep()
58   if (begin == NULL)  in oldstrsep()
72 	  if (*begin == ch)  in oldstrsep()
73 	    end = begin;  in oldstrsep()
74 	  else if (*begin == '\0')  in oldstrsep()
77 	    end = strchr (begin + 1, ch);  in oldstrsep()
82     end = strpbrk (begin, delim);  in oldstrsep()
94   return begin;  in oldstrsep()