setlogin
if (setlogin("") < 0) {
int setlogin(const char *);
__weak_alias(setlogin,_setlogin)
if (setlogin(pwd->pw_name) == -1) {
if (setlogin(pentry->pw_name) == -1)
setlogin(pw->pw_name);
setlogin(pwd->pw_name) < 0 ||
if (setlogin(pwd->pw_name) < 0)
if (setlogin("root") < 0)
if (setlogin(buf) != -1)
if (setlogin((void *)-1) != -1)
if (setlogin("foobar") != -1)
if (setlogin("foobar") != 0)
if (nested == NULL && setlogin(pwd->pw_name) < 0)