#include
int main()
{
char c;
printf("请输入字符c:");
scanf("%c",&c);
printf("%d\n",c);
if(c
else if(57>=c>=48) printf("字符c为数字\n");
else if(90>=c>=65) printf("字符c为大写字母\n");
else if(122>=c>=97) printf("字符c为小写字母\n");
else printf("字符c为其他字符\n");
return 0;
}