bufport_fill      578 src/port.c             r = bufport_fill(p, req, TRUE);
bufport_fill      466 src/portapi.c                  SAFE_CALL(p, r = bufport_fill(p, 1, FALSE));
bufport_fill      550 src/portapi.c              SAFE_CALL(p, r = bufport_fill(p, 1, FALSE));
bufport_fill      569 src/portapi.c                      SAFE_CALL(p, filled = bufport_fill(p, rest, FALSE));