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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(): _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.

Conforming to

SVr4.

See Also

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

Colophon

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