1 .\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk)
3 .\" %%%LICENSE_START(VERBATIM)
4 .\" Permission is granted to make and distribute verbatim copies of this
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8 .\" Permission is granted to copy and distribute modified versions of this
9 .\" manual under the conditions for verbatim copying, provided that the
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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14 .\" manual page may be incorrect or out-of-date.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
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18 .\" which is licensed free of charge, as they might when working
21 .\" Formatted or processed versions of this manual, if unaccompanied by
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25 .\" References consulted:
26 .\" Linux libc source code
27 .\" Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991)
29 .\" Modified Sat Jul 24 18:43:46 1993 by Rik Faith (faith@cs.unc.edu)
30 .TH PUTPWENT 3 2013-04-19 "GNU" "Linux Programmer's Manual"
32 putpwent \- write a password file entry
36 .B #include <sys/types.h>
39 .BI "int putpwent(const struct passwd *" p ", FILE *" stream );
43 Feature Test Macro Requirements for glibc (see
44 .BR feature_test_macros (7)):
52 function writes a password entry from the
53 structure \fIp\fP in the file associated with \fIstream\fP.
55 The \fIpasswd\fP structure is defined in \fI<pwd.h>\fP as follows:
60 char *pw_name; /* username */
61 char *pw_passwd; /* user password */
62 uid_t pw_uid; /* user ID */
63 gid_t pw_gid; /* group ID */
64 char *pw_gecos; /* real name */
65 char *pw_dir; /* home directory */
66 char *pw_shell; /* shell program */
73 function returns 0 on success, or \-1 if an error
75 In the event of an error,
77 is set to indicate the cause.
81 Invalid (NULL) argument given.