View Compilation Error

0_0_21405813_3567.cpp: In function 'int readint(int*)':
0_0_21405813_3567.cpp:27:12: error: 'ch' does not name a type
     static ch;
            ^
0_0_21405813_3567.cpp:28:5: error: 'ch' was not declared in this scope
     ch=nc();
     ^