View Compilation Error

0_0_32287847_32402.cpp: In function 'void init()':
0_0_32287847_32402.cpp:13:29: error: 'memset' was not declared in this scope
     memset(b,false,sizeof(b));
                             ^
0_0_32287847_32402.cpp: In function 'bool notdead()':
0_0_32287847_32402.cpp:172:33: error: 'memset' was not declared in this scope
             memset(b,0,sizeof(b));
                                 ^