2004-11-03 13:51:07 +00:00
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.\" Hey Emacs! This file is -*- nroff -*- source.
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.\"
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.\" Copyright 1993 Rickard E. Faith (faith@cs.unc.edu)
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.\"
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.\" Permission is granted to make and distribute verbatim copies of this
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.\" manual provided the copyright notice and this permission notice are
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.\" preserved on all copies.
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.\"
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.\" Permission is granted to copy and distribute modified versions of this
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.\" manual under the conditions for verbatim copying, provided that the
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.\" entire resulting derived work is distributed under the terms of a
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.\" permission notice identical to this one.
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.\"
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.\" Since the Linux kernel and libraries are constantly changing, this
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.\" manual page may be incorrect or out-of-date. The author(s) assume no
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.\" responsibility for errors or omissions, or for damages resulting from
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.\" the use of the information contained herein. The author(s) may not
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.\" have taken the same level of care in the production of this manual,
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.\" which is licensed free of charge, as they might when working
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.\" professionally.
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.\"
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.\" Formatted or processed versions of this manual, if unaccompanied by
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.\" the source, must acknowledge the copyright and authors of this work.
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.\"
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.\" Historical remark, aeb, 2004-06-05
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.TH GETUID 2 1993-07-23 "Linux 0.99.11" "Linux Programmer's Manual"
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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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.B #include <unistd.h>
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.br
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.B #include <sys/types.h>
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.sp
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.B uid_t getuid(void);
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.br
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.B uid_t geteuid(void);
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.SH DESCRIPTION
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2005-10-19 06:54:38 +00:00
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.BR getuid ()
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returns the real user ID of the current process.
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2005-10-19 06:54:38 +00:00
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.BR geteuid ()
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returns the effective user ID of the current process.
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.SH ERRORS
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These functions are always successful.
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.SH "CONFORMING TO"
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2005-07-18 15:05:56 +00:00
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POSIX, 4.3BSD.
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2004-11-03 13:51:07 +00:00
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.SH HISTORY
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2005-10-19 07:07:02 +00:00
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In Unix V6 the \fBgetuid\fP() call returned (euid << 8) + uid.
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Unix V7 introduced separate calls \fBgetuid\fP() and \fBgeteuid\fP().
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2004-11-03 13:51:07 +00:00
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.SH "SEE ALSO"
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.BR setreuid (2),
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.BR setuid (2)
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