logname(3C)logname(3C)NAMElogname() - return login name of user
SYNOPSISDESCRIPTION
returns a pointer to the null-terminated login name; it extracts the
variable from the user's environment.
WARNINGS
returns a pointer to static data that is overwritten by each subsequent
call.
This method of determining a login name is subject to forgery.
FILESSEE ALSOenv(1), login(1), profile(4), environ(5), thread_safety(5).
STANDARDS CONFORMANCElogname(3C)