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http://www.hackerschool.org/HS_Boards/zboard.php?id=QNA_programming&no=1066 [º¹»ç]


[ȯ°æ] VC6

¾Æ·¡¿Í °°Àº ¼Ò½º¸¦ ½ÇÇàÇÑÈÄ °á°ú°ªÀ» ¾ò¾ú½À´Ï´Ù.
intÇü º¯¼ö·Î ¼±¾ðÇÏ¿©µµ ÄÄÇ»ÅÍ°¡ 32ºñÆ®·Î º¯Çϸ鼭 Å©±â°¡ 4¹ÙÀÌÆ®¶ó´Â°É ¾Ë°Ù´Âµ¥
¿Ö x°¡ yº¸´Ù µÚ¿¡ ÀúÀåµÇ¾ú´ÂÁö ÀÌÇØ°¡ ¾È°©´Ï´Ù.
¿¹»óÀ¸·Î´Â xÁÖ¼Ò°¡ 0012FF78ÀÌ µÇ¾ß ÇÒ°Í°°Àºµ¥ ¼³¸íºÎŹµå¸³´Ï´Ù.

#include <stdio.h>
#include <stdlib.h>

void twos(int *, int *);

void main(void)
{
        int x=3, y=7;
        system("cls");
        printf("Before: x = %d &x = %p y = %d &y = %p\n", x, &x, y, &y);
        twos(&x, &y);
        printf("After: x = %d &x = %p y = %d &y = %p\n", x, &x, y, &y);
}

void twos(a, b)
int *a, *b;
{
        printf("---> a = %5p &a = %5p *a = %d\n", a, &a, *a);
        printf("---> b = %5p &b = %5p *b = %d\n", b, &b, *b);
        *a *= *a;
        *b *= *b;
        printf("<--- a = %5p &a = %5p *a = %d\n", a, &a, *a);
        printf("<--- b = %5p &b = %5p *b = %d\n", b, &b, *b);
}


°á°úÈ­¸é:
Before: x = 3 &x = 0012FF7C y = 7 &y = 0012FF78
---> a = 0012FF7C &a = 0012FF24 *a = 3
---> b = 0012FF78 &b = 0012FF28 *b = 7
<--- a = 0012FF7C &a = 0012FF24 *a = 9
<--- b = 0012FF78 &b = 0012FF28 *b = 49
After: x = 9 &x = 0012FF7C y = 49 &y = 0012FF78
Press any key to continue

  Hit : 2488     Date : 2006/03/25 08:00



    
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