Defines starting with `k' in djgppdoom

• KEY_BACKSPACE src/doomdef.h:271
• KEY_DOWNARROW src/doomdef.h:254
• KEY_ENTER src/doomdef.h:256
• KEY_EQUALS src/doomdef.h:274
• KEY_ESCAPE src/doomdef.h:255
• KEY_F1 src/doomdef.h:258
• KEY_F10 src/doomdef.h:267
• KEY_F11 src/doomdef.h:268
• KEY_F12 src/doomdef.h:269
• KEY_F2 src/doomdef.h:259
• KEY_F3 src/doomdef.h:260
• KEY_F4 src/doomdef.h:261
• KEY_F5 src/doomdef.h:262
• KEY_F6 src/doomdef.h:263
• KEY_F7 src/doomdef.h:264
• KEY_F8 src/doomdef.h:265
• KEY_F9 src/doomdef.h:266
• KEY_LALT src/doomdef.h:281
• KEY_LEFTARROW src/doomdef.h:252
• KEY_MINUS src/doomdef.h:275
• KEY_PAUSE src/doomdef.h:272
• KEY_RALT src/doomdef.h:279
• KEY_RCTRL src/doomdef.h:278
• KEY_RIGHTARROW src/doomdef.h:251
• KEY_RSHIFT src/doomdef.h:277
• KEY_TAB src/doomdef.h:257
• KEY_UPARROW src/doomdef.h:253