HP-UX Reference (11i v2 03/08) - 3 Library Functions A-M (vol 6)

logname(3C) logname(3C)

NAME

logname( ) - return login name of user

SYNOPSIS

#include <unistd.h>

char *logname(void);

DESCRIPTION

logname() returns a pointer to the null-terminated login name; it extracts the

$LOGNAME variable

from the user’s environment.

WARNINGS

logname() returns a pointer to static data that is overwritten by each subsequent call.

This method of determining a login name is subject to forgery.

FILES

/etc/profile