kdb_vftabl
#define DEF_SYMBOL(a) extern kdb_vftabl krb5_db_vftabl_ ## a
memcpy(&(*lib)->vftabl, vftabl_addr, sizeof(kdb_vftabl));
memcpy(&(*lib)->vftabl, vftabl_addrs[0], sizeof(kdb_vftabl));
kdb_vftabl vftabl;
kdb_vftabl kdb_function_table = {
kdb_vftabl kdb_function_table = {