第6章例6-1

#include<stdio.h>
int main(void)
{
	  int i;
    char ch_lower,ch_upper;
	for(i=1;i<=6;i++)
	{
		scanf("%c",&ch_lower);
		if(ch_lower>='a' && ch_lower<='z')
			ch_upper = ch_lower-'a'+'A';
		printf("%c->%c->%d\n",ch_lower,ch_upper,ch_upper%10);
	}
	return 0;
}