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PUTPWENT

Section: Linux Programmer's Manual (3)
Updated: 2017-09-15
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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.

COLOPHON

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