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C´úÂë
#include ﹤stdio.h>
#include ﹤stdlib.h>
int main(void) {
puts("!!!Hello World!!!"); /* prints !!!Hello World!!! */
return EXIT_SUCCESS;
}
¿ØÖÆÌ¨±àÒëÊä³ö 
Console´úÂë
**** Build of configuration Debug for project c ****
**** Internal Builder is used for build ****
gcc -O0 -g3 -Wall -c -fmessage-length=0 -osrc\c.o ..\src\c.c
gcc -oc.exe src\c.o
Build complete for project c
Time consumed: 14011 ms.
¿ØÖÆÌ¨½á¹ûÊä³ö 
Console´úÂë
!!!Hello World!!!
C++µÄ 
C++´úÂë
#include ﹤iostream>
using namespace std;
int main() {
cout ﹤﹤ "!!!Hello World!!!" ﹤﹤ endl; // prints !!!Hello World!!!
return 0;
}
¿ØÖÆÌ¨±àÒëÊä³ö 
Console´úÂë
**** Build of configuration Debug for project cpp ****
**** Internal Builder is used for build ****
g++ -O0 -g3 -Wall -c -fmessage-length=0 -osrc\cpp.o ..\src\cpp.cpp
g++ -ocpp.exe src\cpp.o
Build complete for project cpp
Time consumed: 25452 ms.
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Console´úÂë
!!!Hello World!!!


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VC++

VB

short
Integer
int
Long
long
Long
UNIT
Long
ULONG
Long
WORD
DWORDLon ......

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http://topic.csdn.net/u/20100413/09/ffc0fcd5-c3c1-4a15-b5a2-f1bf65f50caa.html?21874
C/C++ code
typedef struct _VSCSIDISK_COMMON_DEVICE_EXTENSION
{
BOOLEAN IsPdo;
} VSCSIDISK_COMMON_DEVICE_EXTENSION, *PVSCSIDISK_COMMON_DEVICE_EXTENSION;

typedef struct _VSCSIDISK_PDO_DEVI ......

about pack and align for C/C++

http://msdn.microsoft.com/en-us/library/2e70t5y1(VS.80).aspx
#pragma
pack(  n  )
n : Valid values are 1, 2, 4, 8, and 16.the
alignment of a member will be on a boundary that is either a multiple of 
n
 or
a multiple of the size of the member
,
whichever is smaller.
......
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