projects / thirdparty / man-pages.git / blame
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1 | .\" Copyright (c) 2008, Linux Foundation, written by Michael Kerrisk |
| 2 | .\" <mtk.manpages@gmail.com> | |
| 3 | .\" | |
| 93015253 | 4 | .\" %%%LICENSE_START(VERBATIM) |
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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. | |
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| 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| 15 | .\" manual page may be incorrect or out-of-date.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 | |
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| 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 | |
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| 23 | .\" the source, must acknowledge the copyright and authors of this work. | |
| 4b72fb64 | 24 | .\" %%%LICENSE_END |
| 35e0c2ec | 25 | .\" |
| fe0fefbf | 26 | .TH GETUTMP 3 2015-03-02 "Linux" "Linux Programmer's Manual" |
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27 | .SH NAME |
| 28 | getutmp, getutmpx \- copy utmp structure to utmpx, and vice versa | |
| 29 | .SH SYNOPSIS | |
| 30 | .nf | |
| 86b91fdf | 31 | .BR "#define _GNU_SOURCE" " /* See feature_test_macros(7) */" |
| 35e0c2ec | 32 | .B #include <utmpx.h> |
| dbfe9c70 | 33 | .PP |
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34 | .BI " void getutmp(const struct utmpx *" ux ", struct utmp *" u ); |
| 35 | .BI " void getutmpx(const struct utmp *" u ", struct utmpx *" ux ); | |
| 36 | .fi | |
| 37 | .SH DESCRIPTION | |
| 38 | The | |
| 39 | .BR getutmp () | |
| 40 | function copies the fields of the | |
| 41 | .I utmpx | |
| 42 | structure pointed to by | |
| 43 | .I ux | |
| 44 | to the corresponding fields of the | |
| 45 | .I utmp | |
| 46 | structure pointed to by | |
| 47 | .IR u . | |
| 48 | The | |
| 49 | .BR getutmpx () | |
| 50 | function performs the converse operation. | |
| 6f65dd85 | 51 | .SH RETURN VALUE |
| ca9484da | 52 | These functions do not return a value. |
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53 | .SH VERSIONS |
| 54 | These functions first appeared in glibc in version 2.1.1. | |
| e511c66a | 55 | .SH ATTRIBUTES |
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56 | For an explanation of the terms used in this section, see |
| 57 | .BR attributes (7). | |
| 58 | .TS | |
| 59 | allbox; | |
| 60 | lbw21 lb lb | |
| 61 | l l l. | |
| 62 | Interface Attribute Value | |
| 63 | T{ | |
| 64 | .BR getutmp (), | |
| e511c66a | 65 | .BR getutmpx () |
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66 | T} Thread safety MT-Safe |
| 67 | .TE | |
| 35e0c2ec | 68 | .SH CONFORMING TO |
| c8f2dd47 | 69 | These functions are nonstandard, but appear on a few other systems, |
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70 | such as Solaris and NetBSD. |
| 71 | .SH NOTES | |
| 72 | These functions exist primarily for compatibility with other | |
| 73 | systems where the | |
| 74 | .I utmp | |
| 75 | and | |
| 76 | .I utmpx | |
| 77 | structures contain different fields, | |
| 78 | or the size of corresponding fields differs. | |
| d957336e | 79 | .\" e.g., on Solaris, the utmpx structure is rather larger than utmp. |
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80 | On Linux, the two structures contain the same fields, |
| 81 | and the fields have the same sizes. | |
| 82 | .SH SEE ALSO | |
| 392a12b2 | 83 | .BR utmpdump (1), |
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84 | .BR getutent (3), |
| 85 | .BR utmp (5) |