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1.1 root 1: .\" Copyright (c) 1989 The Regents of the University of California.
2: .\" All rights reserved.
3: .\"
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18: .\" @(#)pwcache.3 5.3 (Berkeley) 6/23/90
19: .\"
20: .TH PWCACHE 3 "June 23, 1990"
21: .UC 7
22: .SH NAME
23: pwcache \- cache password and group entries
24: .SH SYNOPSIS
25: .ft B
26: .nf
27: user_from_uid(uid, nouser)
28: uid_t uid;
29: int nouser;
30:
31: group_from_gid(gid, nogroup)
32: gid_t gid;
33: int nogroup;
34: .fi
35: .ft R
36: .SH DESCRIPTION
37: .ft B
38: This interface is not part of the C library.
39: It has been placed in the Berkeley utility library, libutil, as it is
40: used by several standard utilities.
41: .ft R
42: .PP
43: The
44: .I user_from_uid
45: function returns the user name associated with the argument uid.
46: The user name is cached so that multiple calls with the same uid
47: do not require additional calls to
48: .IR getpwuid (3).
49: If there is no user associated with the uid, a pointer is returned
50: to an ASCII representation of the uid, unless the argument
51: .I nouser
52: is non-zero, in which case a NULL pointer is returned.
53: .PP
54: The
55: .I group_from_gid
56: function returns the group name associated with the argument gid.
57: The group name is cached so that multiple calls with the same gid
58: do not require additional calls to
59: .IR getgrgid (3).
60: If there is no group associated with the gid, a pointer is returned
61: to an ASCII representation of the gid, unless the argument
62: .I nogroup
63: is non-zero, in which case a NULL pointer is returned.
64: .SH SEE ALSO
65: getgrgid(3), getpwuid(3)
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