PROCEDURE CREATE_STACK(TOP)
[Where ‘head’ pointer has been caught in pointer ‘TOP’ and link of head has done NULL]

1. [Allocating memory for new node & having the value from user]

Call GETNODE (TOP)
DATA (TOP) <-- ‘xyz’
LINK (TOP) <-- S.
S <-- TOP.

2. [Checking the value & calling the function recursiverly]

if(DATA (TOP) <= 0)
return (LINK(TOP))
else
Call CREATE_STACK (TOP)

3. [FINISH]
return.