#include #include "func3.h" // To verify correctness of the declarations // // If the declaration does not match with some // global variable definition or function definition, // the C compiler will report an error double someGlobalVar = 4; int f( float x ) { return(x*x); } float g( int x ) { return(x*x*x); } float h( float x ) { return(x*x*x*x); }