gr_gid             60 src/gauche/mingw-compat.h     gid_t gr_gid;
gr_gid            737 src/syslib.c     else SCM_RETURN(Scm_MakeInteger(g->gr_gid));
gr_gid           1001 src/system.c       sg->gid = Scm_MakeInteger(g->gr_gid);