11     FILE* f;  in main()  local
34     f = fopen(argv[1], "r");  in main()
35     if (f == NULL) {  in main()
40     fseek(f, 0, SEEK_END);  in main()
41     size = ftell(f);  in main()
42     rewind(f);  in main()
45     fread(buf, 1, size, f);  in main()
53     fclose(f);  in main()
68             f = fopen(argv[4], "w");  in main()
69             if (f == NULL) {  in main()
82             fwrite(scratch, unsize, 1, f);  in main()
84             fclose(f);  in main()