#include <stdio.h>

int main(int argc, char *argv[])
{ int i, count, total = 0;
 char cmd[80];
 FILE *in;
 for (i = 1 ; i < argc ; i++)   
   {  sprintf(cmd, "wc -w %s\n", argv[i]);  /* command string     */
   in = popen(cmd, "r");                 /* read output of cmd */
   fscanf(in, "%d", &count);             /* reading output     */
   total += count;                       /* totaling           */
   pclose(in);                           /* close stream       */
   }
 printf("total count is %d words\n", total);
 return(0);
}