Number of characters type

#include <stdio.h>

int main()
{
  int c, i , nwhite, nother;
  int ndigit[10];
  nwhite = nother = 0;
  for ( 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;
//zeby zakonczyc trzeba wpisac ctrl z
    printf("digits = ");
    for ( i = 0 ; i < 10; ++i) printf("%d", ndigit[i]);
        printf("\nwhite characters = %d, other = %d\n", nwhite, nother);


    getchar();
    return 0;
}