if ( (code = ka_VerifyUserPassword(KA_USERAUTH_VERSION + KA_USERAUTH_DOSETPAG,
user, /* kerberos name */
- (char *)0, /* instance */
- (char *)0, /* realm */
+ NULL, /* instance */
+ NULL, /* realm */
password, /* password */
0, /* spare 2 */
&reason /* error string */ )) !=0 ) {