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NAME

       putpwent - write a password file entry

LIBRARY

       Standard C library (libc, -lc)

SYNOPSIS

       #include <stdio.h>
       #include <sys/types.h>
       #include <pwd.h>

       int putpwent(const struct passwd *restrict p, FILE *restrict 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.  On failure, it returns -1, and errno is set
       to indicate the error.

ERRORS

       EINVAL Invalid (NULL) argument given.

ATTRIBUTES

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

       ┌────────────────────────────────────────────────────────┬───────────────┬────────────────┐
       │InterfaceAttributeValue          │
       ├────────────────────────────────────────────────────────┼───────────────┼────────────────┤
       │putpwent()                                              │ Thread safety │ MT-Safe locale │
       └────────────────────────────────────────────────────────┴───────────────┴────────────────┘

STANDARDS

       None.

HISTORY

       SVr4.

SEE ALSO

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