fgetpwent(3)

—

Options · 2

ENOMEM	Insufficient memory to allocate passwd structure.
/etc/passwd	password database file

SYNOPSIS

bash

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

bash

struct passwd *fgetpwent(FILE *\nstream\n);

fgetpwent():

bash


\n
    Since glibc 2.19:
\n
        _DEFAULT_SOURCE
\n
    glibc 2.19 and earlier:
\n
        _SVID_SOURCE

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:

bash

struct passwd {
\n
    char   *pw_name;       /* username */
\n
    char   *pw_passwd;     /* user password */
\n
    uid_t   pw_uid;        /* user ID */
\n
    gid_t   pw_gid;        /* group ID */
\n
    char   *pw_gecos;      /* real name */
\n
    char   *pw_dir;        /* home directory */
\n
    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. In the event of an error, errno is set to indicate the error.