Added bubble sort in c

Bubble sort

@@ -0,0 +1,31 @@
+#include<stdio.h>
+
+/*
+ * @ar_size array size
+ * @ar array pointer
+ */
+void bubblesort(int ar_size, int * ar) 
+{
+  for(int i=0; i<ar_size; i++)  
+  {
+  	for(int j=0; j<ar_size-i-1; j++)
+  	{
+  		ar[j]=ar[j]^ar[j+1];
+  		ar[j+1]=ar[j]^ar[j+1];
+  		ar[j]=ar[j]^ar[j+1];
+  	}
+
+  }
+}
+int main()
+{
+	int ar[5]={5,4,3,2,1};
+	int ar_size=sizeof(ar)/sizeof(ar[0]);
+	bubblesort(ar_size, ar);
+	for(int i=0; i<ar_size; i++)
+	{
+		printf("%d\n", ar[i]);
+	}
+
+}
+