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 3204, 19/161 ȸ¿ø°¡ÀÔ  ·Î±×ÀΠ 
   ckw80
   Áú¹® 3 ¿¡´ëÇÑ ´äº¯ÀÔ´Ï´Ù.

http://www.hackerschool.org/HS_Boards/zboard.php?id=QNA_programming&no=404 [º¹»ç]


Áú¹®3)
µÎ°³ÀÇ Æ÷ÀÎÅ͸¦ »¬¼À¿¬»êÀ» ÅëÇؼ­ µÎ°³ÀÇ Â÷À̸¦ ±¸ÇÒ¼ö ÀÖ´Ù°í Çϴµ¥¿ä.
µÎ Æ÷ÀÎÅÍÀÇ Â÷À̸¦ ±¸Çؼ­ ¾î´À¶§ ¾²´Â°Ç°¡¿ä?


-> ¿¹¸¦ µé¾î ¼³¸íÇϸé

char *p="Test String!!";

ÀÌ·¸°Ô ¼±¾ðµÇ¾îÀÖ´Ù°í ÇսôÙ.
À§ String("Test String!") ¿¡¼­ "Str"¹®ÀÚ¿­¸¸ »Ì¾Æ³»·Á ÇÕ´Ï´Ù.

±×·¸´Ù¸é S¸¦ °¡¸®Å°´Â Æ÷ÀÎÅÍ¿Í rÀ» °¡¸®Å°´Â Æ÷ÀÎÅÍ°¡ ÀÖÀ¸¸é »Ì¾Æ³¾¼ö ÀÖ°ÚÁÒ?
±×·³ ¼Ò½ºÀÔ´Ï´Ù.

char *p="Test String!";
char *p2, *p3;
char TrimString[4];
int len;

memset(TrimString,'\0',sizeof(TrimString));/*¹®ÀÚÇü ¹è¿­Àº ÃʱâÈ­¸¦ ½ÃÄÑÁִ°Í
                                             ÀÌ ÁÁ½À´Ï´Ù. ¿©±â¼­ 0ÀÌ
                                             ¾Æ´Ñ '\0'À» »ç¿ëÇÑ ÀÌÀ¯´Â '\0'ÀÌ
                                             ÁøÁ¤ÇÑ NULLÀ» ¶æÇÏ´Â ¹®ÀÚÀ̱⶧¹®
                                             ÀÔ´Ï´Ù.*/
p2=strchr(p,'S');/*strchrÀº ¹®ÀÚ¿­¿¡¼­ ƯÁ¤ ¹®ÀÚ¸¦ ã¾Æ³»¾î ±× Æ÷ÀÎÅ͸¦
                   ¸®ÅÏ ÇÏ´Â ÇÔ¼ö ÀÔ´Ï´Ù.*/
p3=strchr(p,'r');

len=(p3-p2)+1;/*ÀÌ°÷ÀÌ ÁÖ¼Ò°ªÀÇ Â÷À̸¦ »ç¿ëÇÏ´Â °÷ÀÔ´Ï´Ù. p2,p3´Â charÇü Æ÷ÀÎ
              ÅÍ·Î ¼±¾ðµÇ¾îÀִµ¥ p2,p3¿¡ µé¾îÀÖ´Â °ªÀº ÁÖ¼Ò°ªÀÔ´Ï´Ù. µû¶ó¼­
              ÀÌ°ªµéÀÇ Â÷ÀÌ°¡ °ð ¾ò°íÀÚÇÏ´Â StringÀÇ ±æÀÌ°¡ µÇ´Â°ÍÀÔ´Ï´Ù.
              (¿©±â¼­ +1À» ÇØÁØ ÀÌÀ¯´Â ¸¸¾à SÀÇ ÁÖ¼Ò°¡ 0x00420021À̸é rÀÇ
              ÁÖ¼Ò´Â 0x00420023À̵˴ϴÙ. ±×·³ ÀÌ µÑÀÇ Â÷ÀÌ´Â 2°¡µË´Ï´Ù. ±×·¯³ª
              ¿ì¸®°¡ ¿øÇÏ´Â ¹®ÀÚ¿­ÀÇ ±æÀÌ´Â 3À̹ǷΠcharÇüÀÇ byte¸¸Å­ 1À»
              ´õÇØÁØ °Í ÀÔ´Ï´Ù.)*/

memcpy(TrimString,p2,len);/*¸Þ¸ð¸®¿¡ Àִ°ÍÀ» º¹»çÇÏ´Â ÇÔ¼öÀÔ´Ï´Ù. Áï p2°¡
                           °¡¸®Å°°í ÀÖ´Â ¹®ÀÚ¿­À» len±æÀ̸¸Å­ TrimString
                           ¹è¿­¿¡ º¹»çÇÏ´Â °ÍÀÔ´Ï´Ù*/
                            





  Hit : 3460     Date : 2004/02/05 11:23



    
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