select_checkfd   1390 src/system.c       ScmSysFdset *r = select_checkfd(rfds);
select_checkfd   1391 src/system.c       ScmSysFdset *w = select_checkfd(wfds);
select_checkfd   1392 src/system.c       ScmSysFdset *e = select_checkfd(efds);
select_checkfd   1401 src/system.c       ScmSysFdset *r = select_checkfd(rfds);
select_checkfd   1402 src/system.c       ScmSysFdset *w = select_checkfd(wfds);
select_checkfd   1403 src/system.c       ScmSysFdset *e = select_checkfd(efds);