lfc_enterusrmap - define a new user entry in Virtual Id table
int lfc_enterusrmap (uid_t uid, char *username)
lfc_enterusrmap defines a new user entry in Virtual Id table.
uid specifies the Virtual User Id. If the value is -1, the next
available id is allocated.
specifies the user name.
This function requires ADMIN privilege.
This routine returns 0 if the operation was successful or -1 if the
operation failed. In the latter case, serrno is set appropriately.
EACCES The caller does not have ADMIN privilege.
EFAULT username is a NULL pointer.
EEXIST User exists already.
EINVAL The length of username exceeds 255.
SENOSHOST Host unknown.
SENOSSERV Service unknown.
SECOMERR Communication error.
ENSNACT Name server is not running or is being shutdown.