计算每个数字，空白字符空白，制表符，换行符和所有其他字符的出现次数

#include <stdio.h>  

   int main() 
   {  
       int c, nwhite= 0, nother= 0;  
       int ndigit[10];  

       for (int i = 0; i < 10; ++i)  
           ndigit[i] = 0;  

       while ((c = getchar()) != EOF)  {
           if (c >= '0' && c <= '9')  
               ++ndigit[c-'0'];  
           else if (c == ' ' || c == '\n' || c == '\t')  
               ++nwhite;  
           else  
               ++nother;  
  }
       printf(digits =);  
       for (int i = 0; i < 10; ++i)  
           printf( %d, ndigit[i]);  
       printf(, white space = %d, other = %d\n, nwhite, nother);  
   }