int maxmum(int x, int y, int z); /*说明一个用户自定义函数*/
int main()
{
int i, j, k;
printf("i, j, k=?\n");
scanf("%4d%4d%4d", &i, &j, &k);
maxmum(i, j, k);
getch();
return 0;
}
maxmum(int x, int y, int z)
{
int max;
max=x>y?x:y;
max=max>z?max:z;
printf("The maxmum value of the 3 data is %d\n", max);
}