libio/isgetline.cc

   1       _gcount = _IO_getline_info(sb, buf, len - 1, delim, -1, &ch);
   2       if (ch != EOF)
   3         ch = sb->sbumpc();
   4       int ch;
   5       long count = _IO_getline_info(sbuf, buf, len - 1, delim, -1, &ch);
   6       if (_gcount == 0 && ch == EOF)
   7     _IO_size_t count = _IO_getline_info(sb, buf, CHUNK_SIZE, terminator,
   8                                        -1, &ch);
   9     if (ch != EOF)
  10       ch = sb->sbumpc();