1

Chaining data

  1. #include <stdlib.h>
  2. #include <stdio.h>
  3. #include <malloc.h>
  4.  
  5. struct node {
  6.     struct node *next;
  7.     int data;
  8. };
  9.  
  10. int main() {
  11.     int i, n;
  12.     struct node *p = 0, *q = 0;
  13.     char buf[ 128 ];
  14.  
  15.     printf( "Enter a series of integers and a ^D|^Z:\n" );
  16.  
  17.     for ( ;; ) {
  18.         n = scanf( "%d", &i );
  19.         if ( n == EOF )
  20.             break;
  21.         if ( n == 1 ) {
  22.             p = (struct node *)malloc( sizeof( struct node ) );
  23.             p->data = i;
  24.             p->next = q;
  25.             q = p;
  26.         }
  27.     }
  28.  
  29.     for ( ; p; p = p->next )
  30.         printf( "%d -> ", p->data );
  31.     printf( "*\n" );
  32.  
  33.     exit( 0 );
  34. }
$ gcc -o cnode cnode.c
$ ./cnode
Enter a series of integers and a ^D|^Z:
-3 0 1 3 5 11
^D
11 -> 5 -> 3 -> 1 -> 0 -> -3 -> *

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