rdfulline
while (rdfulline(cfd, line, BUFSIZ) != 0) {
for (; rdfulline(cfd, line, BUFSIZ) != 0;) {
extern int rdfulline(), jsize(), gdirf(), gnamef();
while (rdfulline(cfd, line, BUFSIZ) != 0) {
while (rdfulline(cfd, line, BUFSIZ) != 0) {
while (rdfulline(cfd, line, BUFSIZ) != 0) {