(e) (i) Given the following simple program, explain what the program does. (ii) Give a sample command line usage for the program.

(e) (i) Given the following simple program, explain what the program does. (i) Give a sample command line usage for the program. 2 * sample test program - testProgram.c 3 4 5 int main(int argc, char *argv[) #include 6 FILE *fptr1, *fptr2; int c; 8 9 if (argc 3) printf( "wrong usage "); else 12 13 14 if ((fptr1fopen (argv[ 1 ], "r")) ! NULL) if ((fptr2fopen (argv[2], "wr"))NULL) 15 16 17 18 fseek(fptr2, , END); SEEK while ((cfgetc(fptr1))! EOF) fputc(c, fptr2); 19 20 21 else printf("Can 't open file \"%s\" ", argv[ 2 ] ); else printf("Can 't open file \"%s\" ", argv[1]); 23 24 return