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1 | .\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk) |
2 | .\" | |
93015253 | 3 | .\" %%%LICENSE_START(VERBATIM) |
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4 | .\" Permission is granted to make and distribute verbatim copies of this |
5 | .\" manual provided the copyright notice and this permission notice are | |
6 | .\" preserved on all copies. | |
7 | .\" | |
8 | .\" Permission is granted to copy and distribute modified versions of this | |
9 | .\" manual under the conditions for verbatim copying, provided that the | |
10 | .\" entire resulting derived work is distributed under the terms of a | |
11 | .\" permission notice identical to this one. | |
c13182ef | 12 | .\" |
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13 | .\" Since the Linux kernel and libraries are constantly changing, this |
14 | .\" manual page may be incorrect or out-of-date. The author(s) assume no | |
15 | .\" responsibility for errors or omissions, or for damages resulting from | |
16 | .\" the use of the information contained herein. The author(s) may not | |
17 | .\" have taken the same level of care in the production of this manual, | |
18 | .\" which is licensed free of charge, as they might when working | |
19 | .\" professionally. | |
c13182ef | 20 | .\" |
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21 | .\" Formatted or processed versions of this manual, if unaccompanied by |
22 | .\" the source, must acknowledge the copyright and authors of this work. | |
4b72fb64 | 23 | .\" %%%LICENSE_END |
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24 | .\" |
25 | .\" References consulted: | |
26 | .\" Linux libc source code | |
27 | .\" Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991) | |
28 | .\" 386BSD man pages | |
29 | .\" Modified Sat Jul 24 18:43:46 1993 by Rik Faith (faith@cs.unc.edu) | |
4b8c67d9 | 30 | .TH PUTPWENT 3 2017-09-15 "GNU" "Linux Programmer's Manual" |
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31 | .SH NAME |
32 | putpwent \- write a password file entry | |
33 | .SH SYNOPSIS | |
34 | .nf | |
35 | .B #include <stdio.h> | |
36 | .B #include <sys/types.h> | |
37 | .B #include <pwd.h> | |
68e4db0a | 38 | .PP |
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39 | .BI "int putpwent(const struct passwd *" p ", FILE *" stream ); |
40 | .fi | |
68e4db0a | 41 | .PP |
cc4615cc MK |
42 | .in -4n |
43 | Feature Test Macro Requirements for glibc (see | |
44 | .BR feature_test_macros (7)): | |
45 | .in | |
68e4db0a | 46 | .PP |
cc4615cc | 47 | .BR putpwent (): |
51c612fb MK |
48 | Since glibc 2.19: |
49 | _DEFAULT_SOURCE | |
50 | Glibc 2.19 and earlier: | |
51 | _SVID_SOURCE | |
fea681da | 52 | .SH DESCRIPTION |
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53 | The |
54 | .BR putpwent () | |
55 | function writes a password entry from the | |
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56 | structure \fIp\fP in the file associated with \fIstream\fP. |
57 | .PP | |
58 | The \fIpasswd\fP structure is defined in \fI<pwd.h>\fP as follows: | |
51f5698d | 59 | .PP |
a08ea57c | 60 | .in +4n |
bdd915e2 | 61 | .EX |
fea681da | 62 | struct passwd { |
18701562 | 63 | char *pw_name; /* username */ |
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64 | char *pw_passwd; /* user password */ |
65 | uid_t pw_uid; /* user ID */ | |
66 | gid_t pw_gid; /* group ID */ | |
67 | char *pw_gecos; /* real name */ | |
68 | char *pw_dir; /* home directory */ | |
69 | char *pw_shell; /* shell program */ | |
fea681da | 70 | }; |
bdd915e2 | 71 | .EE |
a08ea57c | 72 | .in |
47297adb | 73 | .SH RETURN VALUE |
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74 | The |
75 | .BR putpwent () | |
76 | function returns 0 on success, or \-1 if an error | |
fea681da | 77 | occurs. |
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78 | In the event of an error, |
79 | .I errno | |
80 | is set to indicate the cause. | |
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81 | .SH ERRORS |
82 | .TP | |
83 | .B EINVAL | |
84 | Invalid (NULL) argument given. | |
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85 | .SH ATTRIBUTES |
86 | For an explanation of the terms used in this section, see | |
87 | .BR attributes (7). | |
88 | .TS | |
89 | allbox; | |
90 | lb lb lb | |
91 | l l l. | |
92 | Interface Attribute Value | |
93 | T{ | |
94 | .BR putpwent () | |
95 | T} Thread safety MT-Safe locale | |
96 | .TE | |
847e0d88 | 97 | .sp 1 |
47297adb | 98 | .SH CONFORMING TO |
44a2c328 | 99 | SVr4. |
47297adb | 100 | .SH SEE ALSO |
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101 | .BR endpwent (3), |
102 | .BR fgetpwent (3), | |
103 | .BR getpw (3), | |
104 | .BR getpwent (3), | |
105 | .BR getpwnam (3), | |
106 | .BR getpwuid (3), | |
107 | .BR setpwent (3) |