pong.cpp: In function ‘int main(int, char**)’:
pong.cpp:33:12: error: conflicting declaration ‘bool key [2]’
pong.cpp:24:26: error: ‘key’ has a previous declaration as ‘ALLEGRO_KEYBOARD_STATE* key’
pong.cpp:147:18: error: could not convert ‘* key’ from ‘ALLEGRO_KEYBOARD_STATE’ to ‘bool’
pong.cpp:152:17: error: could not convert ‘*(key + 40u)’ from ‘ALLEGRO_KEYBOARD_STATE’ to ‘bool’
pong.cpp:168:19: error: no match for ‘operator=’ in ‘* key = true’
pong.cpp:168:19: note: candidate is:
/usr/include/allegro5/keyboard.h:34:8: note: ALLEGRO_KEYBOARD_STATE& ALLEGRO_KEYBOARD_STATE::operator=(const ALLEGRO_KEYBOARD_STATE&)
/usr/include/allegro5/keyboard.h:34:8: note:   no known conversion for argument 1 from ‘bool’ to ‘const ALLEGRO_KEYBOARD_STATE&’
pong.cpp:171:19: error: no match for ‘operator=’ in ‘*(key + 40u) = true’
pong.cpp:171:19: note: candidate is:
/usr/include/allegro5/keyboard.h:34:8: note: ALLEGRO_KEYBOARD_STATE& ALLEGRO_KEYBOARD_STATE::operator=(const ALLEGRO_KEYBOARD_STATE&)
/usr/include/allegro5/keyboard.h:34:8: note:   no known conversion for argument 1 from ‘bool’ to ‘const ALLEGRO_KEYBOARD_STATE&’
pong.cpp:180:19: error: no match for ‘operator=’ in ‘* key = false’
pong.cpp:180:19: note: candidate is:
/usr/include/allegro5/keyboard.h:34:8: note: ALLEGRO_KEYBOARD_STATE& ALLEGRO_KEYBOARD_STATE::operator=(const ALLEGRO_KEYBOARD_STATE&)
/usr/include/allegro5/keyboard.h:34:8: note:   no known conversion for argument 1 from ‘bool’ to ‘const ALLEGRO_KEYBOARD_STATE&’
pong.cpp:183:19: error: no match for ‘operator=’ in ‘*(key + 40u) = false’
pong.cpp:183:19: note: candidate is:
/usr/include/allegro5/keyboard.h:34:8: note: ALLEGRO_KEYBOARD_STATE& ALLEGRO_KEYBOARD_STATE::operator=(const ALLEGRO_KEYBOARD_STATE&)
/usr/include/allegro5/keyboard.h:34:8: note:   no known conversion for argument 1 from ‘bool’ to ‘const ALLEGRO_KEYBOARD_STATE&’