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);

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).

STANDARDS¶

None.

HISTORY¶

SVr4.

SEE ALSO¶

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