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logname(3C)

HP-UX 11i Version 2: December 2007 Update
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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

SEE ALSO

env(1), login(1), profile(4), environ(5), thread_safety(5).

STANDARDS CONFORMANCE

logname(): SVID2, XPG2



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