Linux manual pages Section 3  

Name

putpwent — write a password file entry

Synopsis

#include <stdio.h>
#include <sys/types.h>
#include <pwd.h>
int putpwent( const struct passwd *p,
  FILE *stream);
 
[Note] Note
Feature Test Macro Requirements for glibc (see feature_test_macros(7)):
putpwent():
_SVID_SOURCE

DESCRIPTION

The putpwent() function writes a password entry from the structure p in the file associated with stream.

The passwd structure is defined in <pwd.h> as follows:

struct passwd {
  char * pw_name;
/* username */
  char * pw_passwd;
/* user password */
  uid_t   pw_uid;
/* user ID */
  gid_t   pw_gid;
/* group ID */
  char * pw_gecos;
/* real name */
  char * pw_dir;
/* home directory */
  char * pw_shell;
/* shell program */
};

RETURN VALUE

The putpwent() function returns 0 on success, or −1 if an error occurs.

ERRORS

EINVAL

Invalid (NULL) argument given.

CONFORMING TO

SVr4.

SEE ALSO

endpwent(3), fgetpwent(3), getpw(3), getpwent(3), getpwnam(3), getpwuid(3), setpwent(3)

COLOPHON

This page is part of release 3.24 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.


  Copyright 1993 David Metcalfe (davidprism.demon.co.uk)

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References consulted:
    Linux libc source code
    Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991)
    386BSD man pages
Modified Sat Jul 24 18:43:46 1993 by Rik Faith (faithcs.unc.edu)