Create implement stack using array.c

Stack/implement stack using array.c

@@ -0,0 +1,38 @@
+/* 
+int Stack[SIZE], top = -1;
+Above variables are used for Stack, SIZE and top and all are global variables. */
+// Function to check if stack is full.
+int isFull()
+{
+  if(top==SIZE-1)
+    return 1;
+  return 0;
+}
+// Function to check if stack is empty.
+int isEmpty()
+{
+	if(top==-1)
+      return 0;
+  return 1;
+}
+// Function to add an item to stack.
+int push(int item)
+{
+  if(isFull()==0&&top<SIZE)
+  {
+    top+=1;
+  	Stack[top]=item;
+    return Stack[top];
+  }
+}
+// Function to remove an item from stack.
+int pop()
+{
+  if(isEmpty()==1&&top!=-1)
+  {
+    int x=Stack[top];
+  	top-=1;
+    return x;
+  }
+ return -1;
+}