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C/C++——С±à̸CÓïÑÔº¯ÊýÄÇЩÊÂ(18)

C³ÌÐòÊÇÓÉÒ»×é»òÊDZäÁ¿»òÊǺ¯ÊýµÄÍⲿ¶ÔÏó×é³ÉµÄ¡£ º¯ÊýÊÇÒ»¸ö×ÔÎÒ°üº¬µÄÍê³ÉÒ»¶¨Ïà¹Ø¹¦ÄܵÄÖ´ÐдúÂë¶Î¡£ÏÂÃæÐ¡±àºÍ´ó¼Ò·ÖÏíÏÂCÓïÑÔÖеĺ¯Êý¡£
 
1.     raiseº¯Êý
raiseº¯ÊýµÄ¹¦ÄÜÊÇÏòÕýÔÚÖ´ÐеijÌÐò·¢ËÍÒ»¸öÐźţ¬ÆäÓ÷¨Îª£ºint raise(int sig);³ÌÐòʵÀýÈçÏ£º
#include <signal.h>
int main(void)
{
   int a, b;
   a = 10;
   b = 0;
   if (b == 0)
      raise(SIGFPE);
   a = a / b;
   return 0;
}
 2.     removeº¯Êý
removeº¯ÊýµÄ¹¦ÄÜÊÇɾ³ýÒ»¸öÎļþ£¬ÆäÓ÷¨Îªint remove(char *filename);³ÌÐòʵÀý´úÂëÈçÏ£º
#include <stdio.h>
int main(void)
{
   char file[80];
   printf("File to delete: ");
   gets(file);
   if (remove(file) == 0)
      printf("Removed %s.\n",file);
   else
      perror("remove");
   return 0;
}
3.     renameº¯Êý
renameº¯ÊýµÄ¹¦ÄÜÊÇÖØÃüÃûÎļþ, ÆäÓ÷¨Îª£ºint rename(char *oldname, char *newname);³ÌÐòʵÀý´úÂëÈçÏ£º
#include <stdio.h>
int main(void)
{
   char oldname[80], newname[80];
   printf("File to rename: ");
   gets(oldname);
   printf("New name: ");
   gets(newname);
   if (rename(oldname, newname) == 0)
      printf("Renamed %s to %s.\n", oldname, newname);
   else
      perror("rename");
   return 0;
}
4.     rewindº¯Êý
rewindº¯ÊýµÄ¹¦ÄÜÊǽ«ÎļþÖ¸ÕëÖØÐÂÖ¸ÏòÒ»¸


Ïà¹ØÎĵµ£º

C/C++——С±à̸CÓïÑÔº¯ÊýÄÇЩÊÂ(14)

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1.       normvideoº¯Êý
 
mallocº¯ÊýµÄ¹¦ÄÜÊÇÑ¡ÔñÕý³£ÁÁ¶È×Ö·û£¬ÆäÓ÷¨Îª£ºvoid normvideo(void);³ÌÐòʵÀýÈçÏ£º
#include < ......

»ìÄýÍÁÇ¿¶ÈÆÀ¶¨ÏµÍ³1.1 c´úÂë

#define NULL 0
#define LEN 10
#define OK printf("\n´Ë×éÊý¾ÝºÏ¸ñ¡£\n")
#define NO printf("\n´Ë×éÊý¾Ý²»ºÏ¸ñ£¡\n")
#define CN printf("\n%30c ΰ³É¹¤×÷ÊÒÈÙÓþ³öÆ· %c\n",17,16)
#include "stdlib.h"
#include "math.h"
static float min,ave;       
float *zwfloat(void ......

c # 4.0

c# 4.0ÐÂÌØÐÔÒ»ÀÀ
ÖÕÓÚ¾²ÏÂÐÄÀ´×ÐϸÌýÁËÒ»±éAnders Hejlsberg£¨Visual Studio×éµÄTECHNICAL FELLOW£¬C#µÄÉè¼ÆÕßÖ®Ò»£©ÔÚPDC08ÉϽ²µÄ“The Future of C#”£¨http://channel9.msdn.com/pdc2008/TL16/£©¡£
»Ø¹ËC#·¢Õ¹µÄÀúÊ·£¬C#1.0ÍêÈ«ÊÇÄ£·ÂJava£¬²¢±£ÁôÁËC/C++µÄÒ»Ð©ÌØÐÔÈçstruct£¬ÐÂѧÕߺÜÈÝÒ×ÉÏÊÖ£»C#2.0¼ÓÈë ......

C/C++——С±à̸CÓïÑÔº¯ÊýÄÇЩÊÂ(17)

C³ÌÐòÊÇÓÉÒ»×é»òÊDZäÁ¿»òÊǺ¯ÊýµÄÍⲿ¶ÔÏó×é³ÉµÄ¡£ º¯ÊýÊÇÒ»¸ö×ÔÎÒ°üº¬µÄÍê³ÉÒ»¶¨Ïà¹Ø¹¦ÄܵÄÖ´ÐдúÂë¶Î¡£ÏÂÃæÐ¡±àºÍ´ó¼Ò·ÖÏíÏÂCÓïÑÔÖеĺ¯Êý¡£
 
1.    registerbgidriverº¯Êý
registerbgidriverº¯ÊýµÄ¹¦ÄÜÊǵǼÒÑÁ¬½Ó½øÀ´µÄͼÐÎÇý¶¯³ÌÐò´úÂ룬ÆäÓ÷¨Îª£ºint registerbgidriver(void(*driver)(void ......
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