王朝 字符统计

#include <stdio.h>
#include <stdlib.h>
#include<string.h>
int main()
{
   char str[100];
   gets(str);
   char *ptr=str;
   void fuction(char *);
   fuction(ptr);
  return 0;
}
void fuction(char *ptr)
{
    int count1=0,count2=0,count3=0,count4=0,len;
    int i;
    len=strlen(ptr);
    for(i=0;i<len;i++)
    {
        if(ptr[i]>='A'&&ptr[i]<='Z')
            count1++;
         else if(ptr[i]>='a'&&ptr[i]<='z')
            count2++;
        else if(ptr[i]>='0'&&ptr[i]<='9')
            count3++;
            else
                count4++;
    }
            printf("%d\n%d\n%d\n%d\n%d\n",count1,count2,count3,count4,len);
            return;
}