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  1. #include<stdio.h>
  2. #include<malloc.h>
  3. struct node
  4. {
  5.     int data;
  6.     struct node *link;
  7. };
  8. void create(struct node **,int);
  9. void display(struct node *);
  10. struct node* reverselist(struct node **);
  11. int main()
  12. {
  13.     struct node *p,*q;
  14.     p=NULL;
  15.     create(&p,1);
  16.     create(&p,2);
  17.     create(&p,3);
  18.     create(&p,4);
  19.     create(&p,5);
  20.     printf("before:\n");
  21.     display(p);
  22.     q=reverselist(&p);
  23.     printf("\n after");
  24.     display(q);
  25.     return 0;
  26. }
  27. void create(struct node **q,int num)
  28. {
  29.     struct node *temp,*r;
  30.     if(*q==NULL)
  31.     {
  32.         temp=malloc(sizeof(struct node));
  33.         temp->data=num; temp->link=NULL;
  34.         *q=temp;
  35.     }
  36.     else
  37.     {
  38.         temp=*q;
  39.         while(temp->link!=NULL)
  40.             temp=temp->link;
  41.         r=malloc(sizeof(struct node));
  42.         r->data=num;r->link=NULL;
  43.         temp->link=r;
  44.     }
  45. }
  46. void display(struct node *p)
  47. {
  48.     while(p!=NULL)
  49.     {printf(" %d,",p->data); p=p->link;}
  50. }
  51. struct node* reverselist(struct node **q)
  52. {
  53.     struct node *p;
  54.     p=(*q)->link;
  55.      if(q==NULL) 
  56.       return NULL;
  57.      if(p==NULL)
  58.       return (*q);
  59.     (*q)->link=NULL;
  60.     struct node *list=recursivelist(&p);
  61.     p->link=*q;
  62.     return list;
  63. }
  64.  
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
prog.c: In function ‘reverselist’:
prog.c:60:12: warning: implicit declaration of function ‘recursivelist’ [-Wimplicit-function-declaration]
prog.c:60:23: warning: initialization makes pointer from integer without a cast [enabled by default]
/home/26sZKq/cciROnss.o: In function `reverselist':
prog.c:(.text+0xb4): undefined reference to `recursivelist'
collect2: error: ld returned 1 exit status
stdout
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Standard output is empty
https://ideone.com/8DkF2o
language:
C (gcc 8.3)
created:
11 years ago
visibility:
public

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