putpwent(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);

   Feature Test Macro Requirements for glibc (see feature_test_macros(7)):

   putpwent():
       Since glibc 2.19:
           _DEFAULT_SOURCE
       Glibc 2.19 and earlier:
           _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.
   In the event of an error, errno is set to indicate the cause.

ERRORS

   EINVAL Invalid (NULL) argument given.

ATTRIBUTES

   For   an   explanation   of   the  terms  used  in  this  section,  see
   attributes(7).

   
   Interface   Attribute      Value          
   
   putpwent()  Thread safety  MT-Safe locale 
   

CONFORMING TO

   SVr4.

SEE ALSO

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

COLOPHON

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   description of the project, information about reporting bugs,  and  the
   latest     version     of     this    page,    can    be    found    at
   https://www.kernel.org/doc/man-pages/.

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