_PATH_GROUP
st->fp = fopen(_PATH_GROUP, "r");
((st->fp = fopen(_PATH_GROUP, "r")) == NULL)) {
st->fp = fopen(_PATH_GROUP, "r");
((st->fp = fopen(_PATH_GROUP, "r")) == NULL)) {
strcpy(group_file, _PATH_GROUP);
const char *groupfile = _PATH_GROUP;