projects / thirdparty / man-pages.git / blame
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1 | .\" Hey Emacs! This file is -*- nroff -*- source. |
| 2 | .\" | |
| 3 | .\" Copyright 1993 Rickard E. Faith (faith@cs.unc.edu) | |
| 4 | .\" | |
| 5 | .\" Permission is granted to make and distribute verbatim copies of this | |
| 6 | .\" manual provided the copyright notice and this permission notice are | |
| 7 | .\" preserved on all copies. | |
| 8 | .\" | |
| 9 | .\" Permission is granted to copy and distribute modified versions of this | |
| 10 | .\" manual under the conditions for verbatim copying, provided that the | |
| 11 | .\" entire resulting derived work is distributed under the terms of a | |
| 12 | .\" permission notice identical to this one. | |
| 13 | .\" | |
| 14 | .\" Since the Linux kernel and libraries are constantly changing, this | |
| 15 | .\" manual page may be incorrect or out-of-date. The author(s) assume no | |
| 16 | .\" responsibility for errors or omissions, or for damages resulting from | |
| 17 | .\" the use of the information contained herein. The author(s) may not | |
| 18 | .\" have taken the same level of care in the production of this manual, | |
| 19 | .\" which is licensed free of charge, as they might when working | |
| 20 | .\" professionally. | |
| 21 | .\" | |
| 22 | .\" Formatted or processed versions of this manual, if unaccompanied by | |
| 23 | .\" the source, must acknowledge the copyright and authors of this work. | |
| 24 | .\" | |
| 25 | .\" Historical remark, aeb, 2004-06-05 | |
| 26 | .TH GETUID 2 1993-07-23 "Linux 0.99.11" "Linux Programmer's Manual" | |
| 27 | .SH NAME | |
| 28 | getuid, geteuid \- get user identity | |
| 29 | .SH SYNOPSIS | |
| 30 | .B #include <unistd.h> | |
| 31 | .br | |
| 32 | .B #include <sys/types.h> | |
| 33 | .sp | |
| 34 | .B uid_t getuid(void); | |
| 35 | .br | |
| 36 | .B uid_t geteuid(void); | |
| 37 | .SH DESCRIPTION | |
| e511ffb6 | 38 | .BR getuid () |
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39 | returns the real user ID of the current process. |
| 40 | ||
| e511ffb6 | 41 | .BR geteuid () |
| fea681da | 42 | returns the effective user ID of the current process. |
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43 | .SH ERRORS |
| 44 | These functions are always successful. | |
| 45 | .SH "CONFORMING TO" | |
| b14d4aa5 | 46 | POSIX, 4.3BSD. |
| fea681da | 47 | .SH HISTORY |
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48 | In Unix V6 the \fBgetuid\fP() call returned (euid << 8) + uid. |
| 49 | Unix V7 introduced separate calls \fBgetuid\fP() and \fBgeteuid\fP(). | |
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50 | .SH "SEE ALSO" |
| 51 | .BR setreuid (2), | |
| 52 | .BR setuid (2) |