/*
 *          File: fileio.c
 *        Author: Robert I. Pitts <rip@cs.bu.edu>
 * Last Modified: March 4, 2000
 *         Topic: File Input/Output
 * ----------------------------------------------------------------
 */

#include <stdio.h>

int main(void)
{
  FILE *ifp, *ofp;
  char *mode = "r";
  char outputFilename[] = "out.list";
  char username[9];  /* One extra for nul char. */
  int score;

  ifp = fopen("in.list", mode);

  if (ifp == NULL) {
    fprintf(stderr, "Can't open input file in.list!\n");
    exit(1);
  }

  ofp = fopen(outputFilename, "w");

  if (ofp == NULL) {
    fprintf(stderr, "Can't open output file %s!\n", outputFilename);
    exit(1);
  }

  while (fscanf(ifp, "%s %d", username, &score) == 2) {
    fprintf(ofp, "%s %d\n", username, score+10);
  }

  fclose(ifp);
  fclose(ofp);

  return 0;
}