putpwent(3) - Linux man page

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);

putpwent(): _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.

Errors

EINVAL

Invalid (NULL) argument given.

Conforming To

SVr4.

See Also

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

Referenced By