View Compilation Error

0_0_16287437_12038.cpp: In function 'int main()':
0_0_16287437_12038.cpp:17:31: error: 'memset' was not declared in this scope
         memset(da,0,sizeof(da));
                               ^
0_0_16287437_12038.cpp: At global scope:
0_0_16287437_12038.cpp:47:1: error: 'Close' does not name a type
 Close
 ^