Reverse a Stack using two stacks in C language

Reverse a Stack using two stacks in C language
 #include<conio.h>
 #include<stdio.h>
 void reverse(int [],int [],int [],int *,int *,int *);
 void display(int [],int);
 void input(int [],int *,int);
 void main()
 {
int total;
int item,t,i,stack1[100],stack2[100],stack3[100];
int top_1=-1,top_2=-1,top_3=-1;
clrscr();
printf("Enter size of stack::");
scanf("%d",&total);
input(stack1,&top_1,total);
display(stack1,top_1);
reverse(stack1,stack2,stack3,&top_1,&top_2,&top_3);
printf("\nAfter reverse..............");
display(stack1,top_1);
getch();
 }
 void input(int stack[],int *top,int size)
 {
int i,item;
for(i=0;i<size;i++)
{
*top=*top+1;
printf("Enter value of for position %d ::",*top);
scanf("%d",&item);
stack[*top]=item;
}
 }
 void reverse(int stack1[],int stack2[],int stack3[],int *t1,int *t2,int *t3)
 {
while(*t1>-1)
{
*t2=*t2+1;
stack2[*t2]=stack1[*t1];
*t1=*t1-1;
}
while(*t2>-1)
{
*t3=*t3+1;
stack3[*t3]=stack2[*t2];
*t2=*t2-1;
}
while(*t3>-1)
{
*t1=*t1+1;
stack1[*t1]=stack3[*t3];
*t3=*t3-1;
}
 }
 void display(int stack[],int top)
 {
int i;
while(top>-1)
{
printf("\nValue at %d is %d",top,stack[top]);
top=top-1;
}
 }

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