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fgetpwent.3

FGETPWENT

Section: Linux Programmer's Manual (3)
Updated: 2008-07-10
Index Return to Main Contents
 

NAME

fgetpwent - get password file entry  

SYNOPSIS

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

struct passwd *fgetpwent(FILE *stream);

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

fgetpwent(): _SVID_SOURCE  

DESCRIPTION

The fgetpwent() function returns a pointer to a structure containing the broken out fields of a line in the file stream. The first time it is called it returns the first entry; thereafter, it returns successive entries. The file referred to by stream must have the same format as /etc/passwd (see passwd(5)).

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 fgetpwent() function returns a pointer to a passwd structure, or NULL if there are no more entries or an error occurs.  

ERRORS

ENOMEM
Insufficient memory to allocate passwd structure.
 

FILES

/etc/passwd
password database file
 

CONFORMING TO

SVr4.  

SEE ALSO

endpwent(3), fgetpwent_r(3), fopen(3), getpw(3), getpwent(3), getpwnam(3), getpwuid(3), putpwent(3), setpwent(3), passwd(5)  

COLOPHON

This page is part of release 3.21 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/.


 

Index

NAME
SYNOPSIS
DESCRIPTION
RETURN VALUE
ERRORS
FILES
CONFORMING TO
SEE ALSO
COLOPHON

 

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