View Compilation Error

0_0_15278136_6793.cpp:6:12: error: '::main' must return 'int'
 void  main()
            ^
0_0_15278136_6793.cpp: In function 'int main()':
0_0_15278136_6793.cpp:13:27: error: 'memset' was not declared in this scope
   memset(far,0,sizeof(far));
                           ^