Basic Push Operation on Stack : Insert Element Onto Stack

1. Push Refers as “Adding Elements onto Stack“.
2. Push Operation carried out in following 2 steps -
   • First Increment Variable “top“ so that it now refers to next memory location.
   • Secondly Add Element Onto Stack by accessing array.
3. Main Function Should ensure that stack is not full before making call to push() in order to prevent “Stack Overflow“

Push Function

void push(stack *s,int num){s->top = s->top + 1;s->data[s->top] = num;}

What is Stack Overflow ?

1. Pushing element onto stack which is already filled is refer as “Stack Overflow“.
2. Using array representation of stack ,variable “MAX” is used to keep track of “Number of Maximum Elements”

How to Check Whether Stack is Full or not ?

int full(stack *s){  if(s->top == MAX-1) //Stack is Full     return(1);  else     return(0);}

Incoming search terms:

• push operation in stack (11)
• stack push operation (5)
• program of inserting an element in stack (2)
• basic operation of stack (2)
• stack push function (2)
• push operation in stack c program (1)