/* freq.c - Don Yang (uguu.org)

   07/05/02
                                                                           */

#include<stdio.h>
#include<ctype.h>

int main(int argc, char **argv)
{
   FILE *infile;
   int s, c, i;

   if( (infile = (argc > 1) ? fopen(argv[1], "rb") : stdin) == NULL )
      return printf("Can not open %s\n", argv[1]);

   for(c = s = 0; (i = fgetc(infile)) != EOF; c++)
   {
      if( isspace(i) )
         s++;
   }
   printf("%d characters, %d non-whitespace\n", c, c - s);

   (void)fclose(stdin);
   return 0;
}