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C/C++´«µÝ¶þάÊý×é - [IT×ÊÁÏ]
//cÓïÑÔÖо­³£ÐèҪͨ¹ýº¯Êý´«µÝ¶þάÊý×飬ÓÐÈýÖÖ·½·¨¿ÉÒÔʵÏÖ£¬ÈçÏ£º
//·½·¨Ò»£¬ Ðβθø³öµÚ¶þάµÄ³¤¶È¡£
#include <stdio.h>
void func(int n, char str[][5])
{
           int i;
           for (i = 0; i < n; i++)
           {
                   printf("\nstr[%d] = %s\n", i, str[i]);
           }
}
void main()
{
           char str[][5] = {"abc", "def", "ghi"};
           func(3, str);
}
//·½·¨¶þ£¬ÐβÎÉùÃ÷ΪָÏòÊý×éµÄÖ¸Õë¡£
#include <stdio.h>
void func(int n, char (*str)[5])
{
           int i;
           for (i = 0; i < n; i++)
           {
                   printf("\nstr[%d] = %s\n", i, str[i]);
           }
}
void main()
{
           char str[][5] = {"abc", "def", "ghi"};
           func(3, str);
}
//·½·¨Èý£¬ÐβÎÉùÃ÷ΪָÕëµÄÖ¸Õë¡£
#include <stdio.h>
void func(int n, char **str)
{
           int i;
           for (i = 0; i < n; i++)
           {
                   printf("\nstr


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¼¸ÖÖC/C++µÄº¯Êýѹջ·½Ê½

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1£¬Èç¹ûº¯ÊýfuncÊÇ__cdecl(VCϵÄĬÈϵ÷Ó÷½Ê½)£¬µ÷ÓÃʱÇé¿öÈçÏÂ
int main()
{
//²ÎÊý´ÓÓÒµ½×óѹջ
push 4
push 3
push 2
push 1
call func
add esp 0x10 //µ÷ÓÃÕ߻ָ´¶ÑÕ»Ö¸Õëesp£¬4¸ö²ÎÊýµÄ´óСÊÇ0x10(4x4)
}
Cµ÷ÓÃÔ¼¶¨£¨¼´ÓÃ__cdecl¹Ø¼ü×Ö˵Ã÷£©°´´ÓÓÒÖÁ×óµÄ˳Ðòѹ² ......

C ÓïÑÔÊý¾Ý¶ÔÆë

#include <stdio.h>    
struct Foo1
{
   char a;
   int  b;
   char c;
   int  d;
};
#pragma pack (2)
struct Foo2
{
   char a;
   int  b;
   char c;
   int  d; ......

c/c++µÄ֪ʶµãÊÕ¼¯

1.¶¯Ì¬»ñµÃÄÚ´æµÄ´úÂë:
void GetMemory(char **p, int num)
{
  *p = (char *)malloc(sizeof(char) * num);
}
char* GetMemory2(int num)
{
  char* p = (char *)malloc(sizeof(char) * num);
  return p;
}
------------------------------------------
´íÎóµÄ´úÂë:
void Ge ......

ÈçºÎÀí½âC run

ÈçºÎÀí½âC run-time library £¨CÔËÐÐʱ¿â£©
×¢£º ÒÔÏÂÄÚÈݲ¿·ÖÒý×ÔCSNDÖÐÏà¹ØÌÖÂÛµÄÌû×Ó£¬²¢½áºÏ×Ô¼ºµÄÀí½âÕûÀí¶ø³É¡£½ö¹©²Î¿¼¡£
1)ÔËÐÐʱ¿â¾ÍÊÇ C run-time library£¬ÊÇ C ¶ø·Ç C++ ÓïÑÔÊÀ½çµÄ¸ÅÄî:È¡Õâ¸öÃû×Ö¾ÍÊÇÒòΪÄãµÄ C ³ÌÐòÔËÐÐʱÐèÒªÕâЩ¿âÖеĺ¯Êý.
2)C ÓïÑÔÊÇËùνµÄ“СÄں˔ÓïÑÔ£¬¾ÍÆäÓïÑÔ±¾ÉíÀ´Ë ......

ubuntu ϵĵÚÒ»¸öC³ÌÐò

ʹÓà gcc  ÔÚ   ubuntu Ï ±àÒë Ò»¸ö C³ÌÐò £º
µÚÒ»²½Ö裺´ò¿ª Öжˠ £¨Õâ¸ö ÖªµÀ°É£¿£©
                ÊäÈë sudo gedit no.c (no.cΪCÎļþÃû×Ö)
        sudo ±íʾÄãÊäÈë ......
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