puffs_cred_getgid
if (puffs_cred_getgid(pcr, &gid) == -1)
int puffs_cred_getgid(const struct puffs_cred *, gid_t *);
if (puffs_cred_getgid(cred, &gid) == 0) {
puffs_cred_getgid(puffc, &portc->pcr_gid);
puffs_cred_getgid(pcr, &gid) == -1) {
puffs_cred_getgid(pcr, &gid) == -1) {
puffs_cred_getgid(pcr, &gid) == -1) {
if (puffs_cred_getgid(cred, &fih->gid) != 0)