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¹ØÓÚCµÄÒ»¸ö³õ¼¶Í¼ÐÎÎÊÌâ - C/C++ / CÓïÑÔ

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error£ºundefine symbol 'DELECT'
 #include <graphics.h>
  #include <stdlib.h>
  #include <stdio.h>
  #include <conio.h>
  int main(void)
  {
  int gdriver = DETECT, gmode, errorcode;
  int left, top, right, bottom;
  initgraph(&gdriver, &gmode, "");
   
  errorcode = graphresult();
  if (errorcode != grOk) {
  printf("Graphics error: %s\n", grapherrormsg(errorcode));
  printf("Press any key to halt:");
  getch();
  exit(1); }
  left = getmaxx() / 2 - 50;
  top = getmaxy() / 2 - 50;
  right = getmaxx() / 2 + 50;
  bottom = getmaxy() / 2 + 50;
  rectangle(left,top,right,bottom);
  getch();
  closegraph();
  return 0;
  }
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¸ÄDELECTΪDETECT,


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linux»·¾³ÏÂgethostbynameº¯ÊýÎÊÌâ - C/C++ / CÓïÑÔ

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  struct hostent *hp; 
char AlarmDevIP[20];  
  int x2;

hp = gethostbyname("www.google.com");
if (hp)
{ ......

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execlÔõôµ÷ÓÃjava³ÌÐò - C/C++ / CÓïÑÔ

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execl("/opt/java1.5/bin/java","MyClass",NULL);
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