View Compilation Error

0_0_21208195_9476.cpp: In function 'void init()':
0_0_21208195_9476.cpp:109:9: error: 'from' was not declared in this scope
         from=readin();to=readin();
         ^
0_0_21208195_9476.cpp:109:23: error: 'to' was not declared in this scope
         from=readin();to=readin();
                       ^