c Language stack string backwards output question

#include  < stdio.h>
#include  < stdlib.h>
#include  < string.h>

typedef char element;   

typedef struct stackNode { 
    element data;
    struct stackNode *link;
  }stackNode;

stackNode* top;   

void push(element item)    
{
    stackNode* temp=(stackNode *)malloc(sizeof(stackNode));

temp->data = item;
    temp->link = top;
    top = temp;
}

  element pop()   
{
    element item;
    stackNode* temp=top;

    if(top == NULL) {    
        printf("\n\n Stack is empty !\n");
       return 0;
    }

    else{                    
       item = temp->data;
       top = temp->link;
       free(temp);
       return item;
    }
}

void del()     
{
    stackNode* temp;
    if(top == NULL) {    
       printf("\n\n Stack is empty !\n");
    }

    else {                 
       temp = top;
       top = top->link;
       free(temp);
    }
}

  void printStack()       

 {
        stackNode* p=top;
    printf("\n STACK [ ");
    while(p){
       printf("%c ",p->data);
       p = p->link;
    }
    printf("] ");
  }

int main(void)
  {

    element item[50];
    int i=0;
    top = NULL;

    printf ("Enter string: ");

    Do
    {
        scanf("%c",&item[i]);
        push(item[i]);
        i++;
        printStack();
    }while(item[i] != '\n');

    printf("end");
  }