pw_checkid
uintmax_t pw_checkid(char *nptr, uintmax_t maxval);
id = pw_checkid(arg1, GID_MAX);
id = pw_checkid(optarg, GID_MAX);
id = pw_checkid(arg1, GID_MAX);
id = pw_checkid(optarg, GID_MAX);
id = pw_checkid(arg1, GID_MAX);
id = pw_checkid(optarg, GID_MAX);
id = pw_checkid(arg1, GID_MAX);
id = pw_checkid(optarg, GID_MAX);
id = pw_checkid(arg1, UID_MAX);
cmdcnf->min_uid = pw_checkid(p, UID_MAX);
cmdcnf->max_uid = pw_checkid(p, UID_MAX);
cmdcnf->min_gid = pw_checkid(p, GID_MAX);
cmdcnf->max_gid = pw_checkid(p, GID_MAX);
id = pw_checkid(userid, UID_MAX);
id = pw_checkid(arg1, UID_MAX);
id = pw_checkid(optarg, UID_MAX);
grp = GETGRGID(pw_checkid(grname, GID_MAX));
id = pw_checkid(name, UID_MAX);
gid = pw_checkid(grname, GID_MAX);
id = pw_checkid(arg1, UID_MAX);
id = pw_checkid(optarg, UID_MAX);
id = pw_checkid(arg1, UID_MAX);
id = pw_checkid(optarg, UID_MAX);