cuserid(3S) (C Programming Language Utilities) cuserid(3S)
NAME
cuserid - get character login name of the user
SYNOPSIS
#include <stdio.h>
char *cuserid (char *s);
DESCRIPTION
cuserid generates a character-string representation of the login name
that the owner of the current process is logged in under. If s is a
NULL pointer, this representation is generated in an internal static
area, the address of which is returned. Otherwise, s is assumed to
point to an array of at least Lcuserid characters; the
representation is left in this array. The constant Lcuserid is
defined in the stdio.h header file.
SEE ALSO
getlogin(3C), getpwent(3C).
DIAGNOSTICS
If the login name cannot be found, cuserid returns a NULL pointer; if
s is not a NULL pointer, a null character `\0' will be placed at
s[0].
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