KEY
typedef const XML_Char *KEY;
enum S { COMMAND, COMPARE, GET, PUT, REMOVE, SEQ, SEQFLAG, KEY, DATA };
KEY, /* hex encoded key. */
#define KEY(x) (-(x)->err1)
#undef KEY
#define KEY(x) (-(x)->err2)
#define KEY %xmm2
#define KEY 4 /* type (keyword) */
#define KEY(key, ec_flags) { \
} KEY;