o                3066 src/extlib.c     ScmObj o; int ignerr = FALSE, bufmode;
o                3072 src/extlib.c     o = Scm_OpenFilePort(Scm_GetStringConst(path), O_RDONLY, bufmode, 0);
o                3073 src/extlib.c     if (o == SCM_FALSE && !ignerr) {
o                3076 src/extlib.c     SCM_RETURN(o);
o                3118 src/extlib.c     ScmObj o;
o                3142 src/extlib.c     o = Scm_OpenFilePort(Scm_GetStringConst(path), flags, bufmode, mode);
o                3143 src/extlib.c     if (!ignerr && o == SCM_FALSE) {
o                3146 src/extlib.c     SCM_RETURN(o);
o                 884 src/portapi.c          long z = (long)o;
o                 908 src/portapi.c      off_t r = (off_t)-1, o = Scm_IntegerToOffset(off);
o                 909 src/portapi.c      int nomove = (whence == SEEK_CUR && o == 0);
o                 938 src/portapi.c                      o -= (off_t)(p->src.buf.end - p->src.buf.current);
o                 941 src/portapi.c                  SAFE_CALL(p, r = p->src.buf.seeker(p, o, whence));
o                 944 src/portapi.c                  SAFE_CALL(p, r = p->src.buf.seeker(p, o, whence));
o                 951 src/portapi.c          r = SEEK_ISTR(p, o, whence, nomove);
o                 963 src/portapi.c              SAFE_CALL(p, r = p->src.vt.Seek(p, o, whence));
o                1214 src/write.c                        ScmObj o = va_arg(ap, ScmObj);
o                1215 src/write.c                        SCM_APPEND1(h, t, o);