F_DUPFD           105 ext/fcntl/fcntl.c         FLAG_NAME(F_DUPFD);
F_DUPFD           157 ext/fcntl/fcntl.c     case F_SETFD:; case F_SETFL:; case F_DUPFD:;
F_DUPFD           267 ext/fcntl/fcntlib.c   Scm_DefineConst(module, SCM_SYMBOL(SCM_OBJ(fcntlib_F_DUPFD__VAR)), SCM_OBJ(Scm_MakeInteger(F_DUPFD)));