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C/C++——С±à̸CÓïÑÔº¯ÊýÄÇЩÊÂ(22)

C³ÌÐòÊÇÓÉÒ»×é»òÊDZäÁ¿»òÊǺ¯ÊýµÄÍⲿ¶ÔÏó×é³ÉµÄ¡£ º¯ÊýÊÇÒ»¸ö×ÔÎÒ°üº¬µÄÍê³ÉÒ»¶¨Ïà¹Ø¹¦ÄܵÄÖ´ÐдúÂë¶Î¡£ÏÂÃæÐ¡±àºÍ´ó¼Ò·ÖÏíÏÂCÓïÑÔÖеĺ¯Êý¡£
 
1.    setmemº¯Êý
setmemº¯ÊýµÄ¹¦ÄÜÊÇ´æÖµµ½´æ´¢Çø£¬ÆäÓ÷¨Îª£ºvoid setmem(void *addr, int len, char value);³ÌÐòʵÀýÈçÏ£º
#include <stdio.h>
#include <alloc.h>
#include <mem.h>
int main(void)
{
   char *dest;
   dest = calloc(21, sizeof(char));
   setmem(dest, 20, 'c');
   printf("%s\n", dest);
   return 0;
}
 2.   setmodeº¯Êý
setmodeº¯ÊýµÄ¹¦ÄÜÊÇÉèÖôò¿ªÎļþ·½Ê½£¬ÆäÓ÷¨Îªint setmode(int handle, unsigned mode);³ÌÐòʵÀý´úÂëÈçÏ£º
#include <stdio.h>
#include <fcntl.h>
#include <io.h>
int main(void)
{
   int result;
   result = setmode(fileno(stdprn), O_TEXT);
   if (result == -1)
      perror("Mode not available\n");
   else
      printf("Mode successfully switched\n");
   return 0;
}
3.    setpaletteº¯Êý
setpaletteº¯ÊýµÄ¹¦ÄÜÊǸıäµ÷É«°åµÄÑÕÉ«, ÆäÓ÷¨Îª£ºvoid far setpalette(int index, int actural_color);³ÌÐòʵÀý´úÂëÈçÏ£º
#include <graphics.h>
#include <stdlib.h>
#include <stdio.h>
#include <conio.h>
int main(void)
{
   int gdriver = DETECT, gmode, errorcode;
   int color, maxcolor, ht;
   int y = 10;
   char msg[80];
   initgraph(&gdriver, &gmode, "");
   errorcode = graphresult();
   if (errorcode != grOk) 
   {
      printf("Graphics error: %s\n", grapherrormsg(errorcode));
      printf("Press any key to halt:");
      getch();
      exit(1);
   }
   maxcolor = getmaxcolor();
   ht = 2 * textheight("W");
&nbs


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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 ......

C/C++——С±à̸CÓïÑÔº¯ÊýÄÇЩÊÂ(20)

C³ÌÐòÊÇÓÉÒ»×é»òÊDZäÁ¿»òÊǺ¯ÊýµÄÍⲿ¶ÔÏó×é³ÉµÄ¡£ º¯ÊýÊÇÒ»¸ö×ÔÎÒ°üº¬µÄÍê³ÉÒ»¶¨Ïà¹Ø¹¦ÄܵÄÖ´ÐдúÂë¶Î¡£ÏÂÃæÐ¡±àºÍ´ó¼Ò·ÖÏíÏÂCÓïÑÔÖеĺ¯Êý¡£
 
1.     setallpalletteº¯Êý
setallpalletteº¯ÊýµÄ¹¦ÄÜÊǰ´Ö¸¶¨·½Ê½¸Ä±äËùÓеĵ÷É«°åÑÕÉ«£¬ÆäÓ÷¨Îª£ºvoid far setallpallette(struct palette, fa ......

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while(c=''||c=='\t'||c=='\n')
 c=getc(f);
c= ''||c=='\t'||c=='\n'
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if((filedesc==open(argv[i],0))<0)
 error();
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