View Compilation Error

91105_0_28070.cpp:1:18: sdio.h: No such file or directory
91105_0_28070.cpp: In function `int main()':
91105_0_28070.cpp:6: error: `scanf' undeclared (first use this function)
91105_0_28070.cpp:6: error: (Each undeclared identifier is reported only once for each function it appears in.)
91105_0_28070.cpp:6: error: `EOF' undeclared (first use this function)
91105_0_28070.cpp:17: error: `printf' undeclared (first use this function)