Can anyone figure out why my compiler is saying line 11 has an error saying "unused parameter argc" and how do i fix this? Please figure this problem out in C

-Data ll i: main (i t argC char arg int arr 14 int size 4: 15 arr (int*) malloc (size sizeof (int) if (loadNumbers (argv [1], arr, size) 0) 16 17 18 printf ("error") 19 20 printNumbers (arr, size) 21 if (writeData (argv[2], arr, size)--1) 22 23 printf ("output written in' output. tz 24 25 return 0; 26 27 int loadNumb (chart filename, int arr i ers 28 29 FILE file fopen (filename, "r") 30 if (file NULL) 31 return 0: 32 int count 0: 33 while (!feof (file)) 34 35 int num