Stack Using Linked List in C
 #include<stdio.h>  #include<conio.h>   typedef struct StackLinked  {  int val;  struct StackLinked *next;  }sl;    sl *push(sl *,int);  int pop(sl **);  int peek(sl *);  int isempty(sl *);   void disp(sl *);    void main()  {  sl *top=NULL;  int ch,v;   while(1)  {  printf("\n\n1) Push\n\n2) Pop\n\n3) Peek\n\n4) Display\n\n5) Exit");  printf("\n Enter your choice :");  scanf("%d",&ch);    switch(ch)  {  case 1:    printf("\n Enter the number you want to push : ");    scanf("%d",&v);    top=push(top,v);     break;   case 2:  if(!isempty(top))      {      printf("\n\nYou have popped %d",pop(&top));      }      else      printf("\n\nNothing to pop");   break;  case 3:  if(!isempty(top))      {      printf("\n\nTop most value is %d",peek(top));      }      else      printf("\nNothing in the stack");   break;   case 4: if(!isempty(top))      {      printf("\n\nValues in th...