Provided by: libdpm-dev_1.8.10-1build3_amd64
dpns_getusrbyuid - get user name associated with a given virtual uid
#include <sys/types.h> #include "dpns_api.h" int dpns_getusrbyuid (uid_t uid, char *username)
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.
This routine returns 0 if the operation was successful or -1 if the operation failed. In the latter case, serrno is set appropriately.
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.