View Compilation Error

0_0_4511083_28745.cpp: In function `void Init()':
0_0_4511083_28745.cpp:14: error: `memset' undeclared (first use this function)
0_0_4511083_28745.cpp:14: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_4511083_28745.cpp: In function `void Work()':
0_0_4511083_28745.cpp:39: error: `swap' undeclared (first use this function)