/* File: scan7.c
   using fscanf
*/

#include <stdio.h>

main() {
int a, b, c, r ;
FILE *ifile, *ofile ;

   ifile = fopen("test", "r") ;
   ofile = fopen("output", "w") ;
   if ( (ifile == NULL) || (ofile == NULL)) {
      fprintf(stderr, "Could not open file\n") ;
      abort() ;
   }

   while (1) {
       r = fscanf(ifile, "%d %d %d", &a, &b, &c) ;

       if (r < 0) break ;  /* EOF encountered */

       fprintf(ofile, "a = %d, b = %d, c = %d\n", a, b, c) ;
   }

   fclose(ofile) ;
   fclose(ifile) ;
}