is_root_or_all_privs
if (is_root_or_all_privs("ADMINMODIFY", &uc) == 0) {
int is_root_or_all_privs(char *dc_str, ucred_t **ucp);
if (is_root_or_all_privs("GETADMINCRED", &uc) == 0) {
extern int is_root_or_all_privs(char *dc_str, ucred_t **ucp);