RES_PRF_HEAD1
(statp->pfcode & RES_PRF_HEAD1))
if (rrnum == 0 && sflag != 0 && (statp->pfcode & RES_PRF_HEAD1))
if ((!statp->pfcode) || (statp->pfcode & RES_PRF_HEAD1)) {
(RES_PRF_HEADX | RES_PRF_HEAD2 | RES_PRF_HEAD1))) {
statp->pfcode |= RES_PRF_HEAD2 | RES_PRF_HEAD1 | RES_PRF_HEADX |
(statp->pfcode & RES_PRF_HEAD1)),