projects / unix-history / blame
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1 | .\" Copyright (c) 1989 The Regents of the University of California. |
| 2 | .\" All rights reserved. | |
| 3 | .\" | |
| 4 | .\" Redistribution and use in source and binary forms are permitted | |
| 5 | .\" provided that the above copyright notice and this paragraph are | |
| 6 | .\" duplicated in all such forms and that any documentation, | |
| 7 | .\" advertising materials, and other materials related to such | |
| 8 | .\" distribution and use acknowledge that the software was developed | |
| 9 | .\" by the University of California, Berkeley. The name of the | |
| 10 | .\" University may not be used to endorse or promote products derived | |
| 11 | .\" from this software without specific prior written permission. | |
| 12 | .\" THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
| 13 | .\" IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
| 14 | .\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
| 15 | .\" | |
| 16 | .\" @(#)pwcache.3 5.1 (Berkeley) %G% | |
| 17 | .\" | |
| 18 | .TH PWCACHE 3 "" | |
| 19 | .UC 7 | |
| 20 | .SH NAME | |
| 21 | pwcache \- cache password and group entries | |
| 22 | .SH SYNOPSIS | |
| 23 | .ft B | |
| 24 | .nf | |
| 25 | user_from_uid(uid) | |
| 26 | uid_t uid; | |
| 27 | ||
| 28 | group_from_gid(gid) | |
| 29 | gid_t gid; | |
| 30 | .fi | |
| 31 | .ft R | |
| 32 | .SH DESCRIPTION | |
| 33 | .ft B | |
| 34 | This interface is not part of the C library. | |
| 35 | It has been placed in the Berkeley utility library, libutil, as it is | |
| 36 | used by several standard utilities. | |
| 37 | .ft R | |
| 38 | .PP | |
| 39 | The | |
| 40 | .I user_from_uid | |
| 41 | function returns the user name associated with the argument uid. | |
| 42 | The user name is cached so that multiple calls with the same uid | |
| 43 | do not require additional calls to | |
| 44 | .IR getpwuid (3). | |
| 45 | .PP | |
| 46 | The | |
| 47 | .I group_from_gid | |
| 48 | function returns the group name associated with the argument gid. | |
| 49 | The group name is cached so that multiple calls with the same gid | |
| 50 | do not require additional calls to | |
| 51 | .IR getgrgid (3). | |
| 52 | .SH SEE ALSO | |
| 53 | getgrgid(3), getpwuid(3) |