SIOCSPGRP 818 compat/freebsd/freebsd_file.c cmd == F_GETOWN ? SIOCGPGRP : SIOCSPGRP, SIOCSPGRP 1365 compat/linux/linux_socket.c SCARG(&ia, com) = SIOCSPGRP; SIOCSPGRP 627 kern/sys_pipe.c case SIOCSPGRP: SIOCSPGRP 103 kern/sys_socket.c case SIOCSPGRP: