TKEY_F1
k = TKEY_F1 + c - (FKEY | F(1));
TKEY_F1 + c - (FKEY | F(1)));
[TKEY_F1] = "\x1B[M", [TKEY_F2] = "\x1B[N",
[TKEY_F1] = "\x1BOP", [TKEY_F2] = "\x1BOQ",