pgrp_scm 281 ext/termios/termiolib.c ScmObj pgrp_scm; pgrp_scm 286 ext/termios/termiolib.c pgrp_scm = SCM_ARGREF(1); pgrp_scm 287 ext/termios/termiolib.c if (!SCM_EXACTP(pgrp_scm)) Scm_Error("C integer required, but got %S", pgrp_scm); pgrp_scm 288 ext/termios/termiolib.c pgrp = Scm_GetInteger(pgrp_scm);