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| 1 | .\" Copyright (c) 1980 Regents of the University of California.
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| 2 | .\" All rights reserved. The Berkeley software License Agreement
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| 3 | .\" specifies the terms and conditions for redistribution.
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| 4 | .\"
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| 5 | .\" @(#)getuid.2 6.3 (Berkeley) 1/7/86
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| 6 | .\"
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| 7 | .TH GETUID 2 "January 7, 1986"
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| 8 | .UC 4
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| 9 | .SH NAME
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| 10 | getuid, geteuid \- get user identity
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| 11 | .SH SYNOPSIS
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| 12 | .nf
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| 13 | .ft B
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| 14 | #include <sys/types.h>
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| 15 | #include <unistd.h>
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| 16 |
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| 17 | uid_t getuid(void)
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| 18 | uid_t geteuid(void)
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| 19 | .fi
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| 20 | .SH DESCRIPTION
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| 21 | .B Getuid
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| 22 | returns the real user ID of the current process,
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| 23 | .B geteuid
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| 24 | the effective user ID.
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| 25 | .PP
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| 26 | The real user ID identifies the person who is logged in.
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| 27 | The effective user ID
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| 28 | gives the process additional permissions during
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| 29 | execution of \*(lqset-user-ID\*(rq mode processes, which use
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| 30 | \fBgetuid\fP to determine the real-user-id of the process that
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| 31 | invoked them.
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| 32 | .SH "SEE ALSO"
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| 33 | .BR getgid (2),
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| 34 | .BR setuid (2).
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