prog.cpp:1:1: error: ‘AL’ does not name a type
prog.cpp: In function ‘int main(int, char**)’:
prog.cpp:10:18: error: ‘walk’ was not declared in this scope
prog.cpp: In function ‘void walk()’:
prog.cpp:21:9: error: ‘AL’ has not been declared
prog.cpp:21:21: error: expected ‘;’ before ‘names’
prog.cpp:23:9: error: ‘AL’ has not been declared
prog.cpp:23:21: error: expected ‘;’ before ‘angles’
prog.cpp:25:9: error: ‘motion’ was not declared in this scope
prog.cpp:25:26: error: ‘names’ was not declared in this scope
prog.cpp:25:33: error: ‘angles’ was not declared in this scope