getnetgrent
int getnetgrent(const char **, const char **, const char **);
DEF_WEAK(getnetgrent);
s = getnetgrent(&host, &user, &dom);
while (getnetgrent(&host, &user, &dom)) {
s = getnetgrent(&host, &user, &dom);
while (getnetgrent(&host, &user, &dom)) {
PROTO_NORMAL(getnetgrent);
netgrp = getnetgrent((const char **)&hst,
} while (netgrp && getnetgrent((const char **)&hst,