35 lines
854 B
Groff
35 lines
854 B
Groff
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.\" Copyright (c) 1980 Regents of the University of California.
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.\" All rights reserved. The Berkeley software License Agreement
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.\" specifies the terms and conditions for redistribution.
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.\"
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.\" @(#)getuid.2 6.3 (Berkeley) 1/7/86
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.\"
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.TH GETUID 2 "January 7, 1986"
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.UC 4
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.SH NAME
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getuid, geteuid \- get user identity
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.SH SYNOPSIS
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.nf
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.ft B
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#include <sys/types.h>
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#include <unistd.h>
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uid_t getuid(void)
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uid_t geteuid(void)
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.fi
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.SH DESCRIPTION
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.B Getuid
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returns the real user ID of the current process,
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.B geteuid
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the effective user ID.
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.PP
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The real user ID identifies the person who is logged in.
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The effective user ID
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gives the process additional permissions during
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execution of \*(lqset-user-ID\*(rq mode processes, which use
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\fBgetuid\fP to determine the real-user-id of the process that
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invoked them.
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.SH "SEE ALSO"
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.BR getgid (2),
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.BR setuid (2).
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