#include <stdio.h>
void main()
{   
     char c;
     printf("Enter a char：");
     c=getchar();
  if(c<32)
  printf("The char is control char.");
  else if(c>='0'&&c<='9')
       printf("The char is a digit char.");
  else if (c>='A'&&c<='Z')
       printf("The char is a captal char.");
  else if(c>='a'&&c<='z')
       printf("The char is a lower char.");
  else
       printf("The char is an other char.");
      return 0;