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C³ÌÐòÊÇÓÉÒ»×é»òÊDZäÁ¿»òÊǺ¯ÊýµÄÍⲿ¶ÔÏó×é³ÉµÄ¡£ º¯ÊýÊÇÒ»¸ö×ÔÎÒ°üº¬µÄÍê³ÉÒ»¶¨Ïà¹Ø¹¦ÄܵÄÖ´ÐдúÂë¶Î¡£ÏÂÃæÐ¡±àºÍ´ó¼Ò·ÖÏíÏÂCÓïÑÔÖеĺ¯Êý¡£
 
1.       gcvtº¯Êý
 
gcvtº¯ÊýµÄ¹¦ÄÜÊǰѸ¡µãÊýת»»³É×Ö·û´®£¬ÆäÓ÷¨ÊÇ£ºchar *gcvt(double value, int ndigit, char *buf);³ÌÐòÀý×ÓÈçÏ£º
#include <stdlib.h>
#include <stdio.h>
int main(void)
{
   char str[25];
   double num;
   int sig = 5; /* significant digits */
   /* a regular number */
   num = 9.876;
   gcvt(num, sig, str);
   printf("string = %s\n", str);
   /* a negative number */
   num = -123.4567;
   gcvt(num, sig, str);
   printf("string = %s\n", str);
   /* scientific notation */
   num = 0.678e5;
   gcvt(num, sig, str);
   printf("string = %s\n", str);
   return(0);
}
2.      getcrº¯Êý
 
getcrº¯ÊýµÄ¹¦ÄÜÊÇ´ÓÁ÷ÖÐÈ¡×Ö·û£¬ÆäÓ÷¨ÊÇ£ºint getc(FILE *stream); ³ÌÐòÀý×ÓÈçÏ£º
 
#include <stdio.h>
int main(void)
{
   char ch;
   printf("Input a character:");
/* read a character from the
   standard input stream */
   ch = getc(stdin);
   printf("The character input was: '%c'\n",
          ch);
   return 0;
}
3.      getftimeº¯Êý
 
getftimeº¯ÊýµÄ¹¦ÄÜÊÇÈ¡ÎļþÈÕÆÚºÍʱ¼ä£¬ÆäÓ÷¨ÊÇ£ºint getftime(int handle, struct ftime *ftimep);³ÌÐòÀý×ÓÈçÏ£º
 
#include <stdio.h>
#include <io.h>
int main(void)
{
   FILE *stream;
   struct ftime ft;
   if ((stream = fopen("TEST.$$$",
        "wt")) == NULL)
   {
      fprintf(stderr,
          &nbs


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//
#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;
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ÄÚÈÝ£ºIntroduction ºÍ Error Reporting
1. glibc ËùʵÏÖÈ«²¿»ò²¿·Ö¹æ·¶ÏµĹ¦ÄÜÓÐ
ISO C: The international standard for the C programming language.
POSIX: The ISO/IEC 9945 (aka IEEE 1003) standards for operating systems.
Berkeley Unix: BSD and SunOS.
SVID: The System V Interface Description.
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