tgets
(void)tgets(namebuf);
int tgets(char *);
if (tgets(namebuf) == -1)
int tgets(char *);
int tgets(char *, size_t);
if (tgets(line, sizeof(line))) {
int tgets(char *);
if (tgets(line)) {
int tgets(char *);
if (tgets(namebuf) == -1)
int tgets(char *);
if (tgets(namebuf) == -1)
int tgets(char *);
if (tgets(namebuf) == -1)
int tgets(char *);