View Compilation Error

0_0_4842712_28800.cpp:2:21: stdlib.h.h: No such file or directory
0_0_4842712_28800.cpp: In function `int main()':
0_0_4842712_28800.cpp:22: error: `strrev' undeclared (first use this function)
0_0_4842712_28800.cpp:22: error: (Each undeclared identifier is reported only once for each function it appears in.)