#include<stdio.h>
char up( char ch)
{
if(ch>='a'&&'z'>=ch)
{
ch=ch-32;
printf("%c\n",ch);
}
else
printf("%c\n",ch);
return 'a';
}
int main()
{
char ch;
printf("请输入一个字母:\n");
scanf("%c",&ch);
up(ch);
return 0;
}
char up( char ch)
{
if(ch>='a'&&'z'>=ch)
{
ch=ch-32;
printf("%c\n",ch);
}
else
printf("%c\n",ch);
return 'a';
}
int main()
{
char ch;
printf("请输入一个字母:\n");
scanf("%c",&ch);
up(ch);
return 0;
}