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1.       cgetsº¯Êý
cgetsº¯ÊýµÄ¹¦ÄÜÊÇ´Ó¿ØÖÆÌ¨¶Á×Ö·û´®£¬ÆäÓ÷¨Îª£ºchar *cgets(char *str);³ÌÐòÀý×ÓÈçÏ£º
#include <stdio.h>
#include <conio.h>
int main(void)
{
   char buffer[83];
   char *p;
   /* There's space for 80 characters plus the NULL terminator */
   buffer[0] = 81;
   printf("Input some chars:");
   p = cgets(buffer);
   printf("\ncgets read %d characters: \"%s\"\n", buffer[1], p);
   printf("The returned pointer is %p, buffer[0] is at %p\n", p, &buffer);
   /* Leave room for 5 characters plus the NULL terminator */
   buffer[0] = 6;
   printf("Input some chars:");
   p = cgets(buffer);
   printf("\ncgets read %d characters: \"%s\"\n", buffer[1], p);
   printf("The returned pointer is %p, buffer[0] is at %p\n", p, &buffer);
   return 0;
}
2.       clockº¯Êý
clockº¯ÊýµÄ¹¦ÄÜÊÇÈ·¶¨´¦ÀíÆ÷ʱ¼ä£¬ÆäÓ÷¨Îª£ºclock_t clock(void); ³ÌÐòÀý×ÓÈçÏ£º
#include <time.h>
#include <stdio.h>
#include <dos.h>
int main(void)
{
   clock_t start, end;
   start = clock();
   delay(2000);
   end = clock();
   printf("The time was: %f\n", (end - start) / CLK_TCK);
   return 0;
}
3.       _close, closeº¯Êý
closeº¯ÊýµÄ¹¦ÄÜÊǹرÕÎļþ¾ä±ú£¬ÆäÓ÷¨Îª£ºint close(int handle); ³ÌÐòÀý×ÓÈçÏ£º
#include <string.h>
#include <stdio.h>
#include <fcntl.h>
#include <io.h>
main()
{
   int handle;
   char buf[11] = "0123456789";
   /* create a file containing 10 bytes */
   handle = open("NEW.FIL", O_CREAT);
   if (


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1. ÓÃÔ¤´¦ÀíÖ¸Áî#define ÉùÃ÷Ò»¸ö³£Êý£¬ÓÃÒÔ±íÃ÷1ÄêÖÐÓжàÉÙÃ루ºöÂÔÈòÄêÎÊÌ⣩
#define SECONDS_PER_YEAR   (60 * 60 * 24 * 365)UL
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     1). #define Óï·¨µÄ»ù±¾ÖªÊ¶£¨ÀýÈ磺²»ÄÜÒԷֺŽáÊø£¬À¨ºÅµÄʹÓ㬵ȵȣ©
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Á´±í¶¨Òå¼°²Ù×÷µÄÔ´Îļþ£ºemployee.h
//
#pragma once
#ifndef __EMPLOYEE_H__
#define __EMPLOYEE_H__
#include<stdio.h>
#include<malloc.h>
typedef struct employee{
int id;
int age;
int salary;
}EmpType;
typedef struct Node{
EmpType data;
struct Node *next;
}L ......

C/C++ ³£¼ûÃæÊÔÌâ

 
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     (2) ²»´æÔڣΣգ̣ÌÒýÓã¬ÒýÓÃ±Ø ......
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