Answer Posted / manoj singh

stac program is called whose as provide the lifo mens last input first output .when we putdown the value in node thats called pop and flow out the value thats called push.

char stack[10]
int top=-1;
void push(char d)
{
if(to==9)
printf("stack is full");
else
stack[++top]=d;
}
char pop()
{
if(top==-1)
return('\0')
else
return(stack[top--]);
}
//stack is create both performance pop and push.

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