dpns_getusrbyuid3
Get user name associated with a given virtual uid
Usage
#include <sys/types.h>
#include "dpns_api.h"
int dpns_getusrbyuid (uid_t uid, char *username)
Overview
dpns_getusrbyuid gets the user name associated with a given virtual uid.
- uid
-
specifies the Virtual User Id.
- username
-
points at a buffer to receive the associated user name. The buffer must be at least 256 characters long.
Return value
This routine returns 0 if the operation was successful or -1 if the operation failed. In the latter case, serrno is set appropriately.
Errors
EFAULT
|
username is a NULL pointer. |
|---|---|
EINVAL
|
This uid does not exist in the internal mapping table. |
SENOSHOST
|
Host unknown. |
SENOSSERV
|
Service unknown. |
SECOMERR
|
Communication error. |
ENSNACT
|
Name server is not running or is being shutdown. |
Releases
Unchanged in 5 releases since Debian 6.0 (Squeeze).