haffuma.cpp

c 实现的哈夫曼码编译器 sample demo

#include<stdio.h>
#include<string.h>
#include<stdlib.h>
#include<ctype.h>
  int n;
  struct node{
    int w;
    int flag;
    char c;
    struct node *plink,*llink,*rlink;
    char code[50];
    }*num[100],*root;
  FILE *fp;
  char tmpcode[50];
  int t=0;

int main(void)
{
  int i;
  void settree();
  void code();   
  void decode(); 
  void disp() ;
  root=(struct node*)malloc(sizeof(struct node));
  puts("*******************hfm edit/encode demonstration******************************");

  while(1){
start:

  puts("1. Initrialization     2.display the list of decoding   3. end");
  while(scanf("%d",&i)!=1)
  {
    while(getchar()!='\n')
    continue;
    puts("input errors!");
    puts("reinpuf");
    puts("1. Initrialization       2.display the list of decoding 3. end");
  }
  switch (i)
  {
    case 1:
      settree();
    
      
      break;
    case 2:
      disp();
      break;
    case 3:
      exit(0);
    default:
      puts("input errors