area.cpp

VC源代码大全（精华版）

#include    <stdio.h>

#define   SQUARE(x)     ((x)*(x))

float Square (float x);

int main ()
{
    int x = 12;
    printf ("x * x = %d\n", Square(x));
    printf ("x * x = %d\n", SQUARE(x));
    return (0);
}

inline float Square (float x)
{
    return (x * x);
}