getttyent
struct ttyent *getttyent(void);
DEF_WEAK(getttyent);
while ((t = getttyent()))
for (slot = 1; (ttyp = getttyent()); ++slot)
PROTO_NORMAL(getttyent);
while (getttyent() != (struct ttyent *)NULL)
while ((typ = getttyent())) {
while ((typ = getttyent()))
for (tep = getttyent(); tep != NULL; tep = getttyent()) {