View Compilation Error

0_0_7899852_7847.cpp:2:20:  string.h: No such file or directory
0_0_7899852_7847.cpp: In function `int main()':
0_0_7899852_7847.cpp:15: error: `strcmp' undeclared (first use this function)
0_0_7899852_7847.cpp:15: error: (Each undeclared identifier is reported only once for each function it appears in.)