#define LDAP_OPT_X_SASL_MAXBUFSIZE 0x6109
#define LDAP_OPT_X_SASL_MECHLIST 0x610a /* read-only */
#define LDAP_OPT_X_SASL_NOCANON 0x610b
+#define LDAP_OPT_X_SASL_USERNAME 0x610c /* read-only */
/* OpenLDAP GSSAPI options */
#define LDAP_OPT_X_GSSAPI_DO_NOT_FREE_CONTEXT 0x6200