View Compilation Error

0_0_24114021_20199.cpp: In function 'int main()':
0_0_24114021_20199.cpp:12:7: error: 'csh' was not declared in this scope
   csh();
       ^
0_0_24114021_20199.cpp:32:13: error: 'djs' was not declared in this scope
   cout<<djs();
             ^