102   size_t len;  in fgets()  local
142       if ((len = fp->_r) <= 0)  in fgets()
154 	  len = fp->_r;  in fgets()
164       if (len > (size_t) n)     /* n is always non-negative here */  in fgets()
165         len = (size_t) n;  in fgets()
166       t = (unsigned char *) memchr ((void *) p, '\n', len);  in fgets()
169 	  len = ++t - p;  in fgets()
170 	  fp->_r -= len;  in fgets()
172 	  (void) memcpy ((void *) s, (void *) p, len);  in fgets()
173 	  s[len] = 0;  in fgets()
177       fp->_r -= len;  in fgets()
178       fp->_p += len;  in fgets()
179       (void) memcpy ((void *) s, (void *) p, len);  in fgets()
180       s += len;  in fgets()
182   while ((n -= len) != 0);  in fgets()