Use swap macro

gnome-sort.c

@@ -1,19 +1,12 @@
 #include <stdio.h>
 
-void swap(int a, int b) {
+#define SWAP(x, y, T) do { T SWAP = x; x = y; y = SWAP; } while (0)
-	int t = a;
-	a = b;
-	b = t;
-}
 
 void gnome_sort(int array[], int n) {
 	int i = 0;
 	while (i < n) {
 		if (array[i] > array[i+1]) {
-			//swap(array[i+1], array[i]);
+			SWAP(array[i], array[i+1], int);
-			int t = array[i];
-			array[i] = array[i+1];
-			array[i+1] = t;
 			if (i > 0) i--;
 		}
 		else i++;