1. Çü½Ä
Çü½Ä1) result= keybreak()
Çü½Ä2) result= keybreak(flag)
Çü½Ä3) result= keybreak(flag, keybreak_message)
2. ±â´É: ÀÌ ÇÔ¼ö´Â Wel ÇÁ·Î±×·¥ ½ÇÇàÁß¿¡ Å°º¸µå¸¦ ÅëÇÏ¿© CTRL-C ³ª CTRL-\ °¡
´·ÁÁ³À» °æ¿ì, À̸¦ Á¦¾îÇϱâ À§ÇÑ ÇÔ¼öÀÌ´Ù. Çü½Ä3)Àº CTRL-C°¡ ´·Á
Á³À» ¶§ Ãâ·ÂµÇ´Â ¸Þ½ÃÁö¸¦ ÁöÁ¤ÇÏ´Â °æ¿ìÀ̸ç, Çü½Ä2)¿Í °°ÀÌ ¸Þ½ÃÁö¸¦
ÁöÁ¤ÇÏÁö ¾ÊÀ¸¸é ÃʱⰪÀ¸·Î ¼³Á¤µÈ ¸Þ½ÃÁö°¡ Ãâ·ÂµÈ´Ù.
3. ¼³¸í (ÀÌ ÇÔ¼ö¸¦ À¥ »ó¿¡¼ »ç¿ëÇÏ¸é ¿¡·¯·Î 󸮵˴ϴÙ)
(1) ÀÎÀÚ flagÀº CTRL-C³ª CTRL-\ÀÇ È¿·Â ¹ß»ý¿¡ ´ëÇÑ °ªÀ¸·Î 0 À̸é CTRL-CÅ°´Â
¹«½ÃµÇ°í 1 À̳ª ±× ¿ÜÀÇ °ªÀº CTRL-C°¡ À¯È¿ÇÏ°Ô ÇÑ´Ù.
(2) ÀÎÀÚ flagÀÌ ¹®ÀÚ¿ÀÌ°í ¼öÄ¡·Î º¯È¯µÉ ¼ö ¾øÀ» ¶§´Â ¿¡·¯ 󸮵ȴÙ.
(3) Çü½Ä1)Àº ÇöÀç ¼³Á¤µÈ key breakÀÇ »óÅ°ªÀ» Àб⸸ ÇÑ´Ù. ÀÌ °æ¿ì¿¡
resultÀÇ °ªÀÌ 1À̸é CTRL-C°¡ À¯È¿ÇÑ »óÅÂÀÌ°í 0 ÀÌ¸é ¹«È¿ÇÑ »óÅÂÀÌ´Ù.
(4) Çü½Ä2)¿¡¼ ÀÎÀÚ flagÀÌ 0 À̸é Ãâ·ÂµÇ´Â ¸Þ½ÃÁö°¡ ¾øÀ¸¸ç, ±× ¿ÜÀÇ °ªÀÏ ¶§´Â
ÃʱⰪÀ¸·Î ¼³Á¤µÈ ¸Þ½ÃÁö°¡ Ãâ·ÂµÈ´Ù.
(5) Çü½Ä3)¿¡¼ ÀÎÀÚ keybreak_message´Â CTRL-C°¡ ´·ÁÁ³À» ¶§ Ãâ·ÂÇÒ ¸Þ½ÃÁö
ÀÌ¸ç ¹®ÀÚ¿ÀÌ ¾Æ´Ï¸é ¹®ÀÚ¿·Î º¯È¯ÇÏ¿© ó¸®ÇÑ´Ù. keybreak_message¿¡
Æû ¸ÅÅ©·Î°¡ »ç¿ëµÇ¾ú´Ù¸é ¸ÅÅ©·Î°¡ ó¸®(È®Àå)µÈ´Ù.
(6) key breakÀÇ ÃʱⰪÀº 1À̸ç CTRL-C¸¦ ´©¸¦ °æ¿ì ÇÁ·Î±×·¥ÀÌ Á¾·áµÈ´Ù.
(7) CTRL-C ³ª CTRL-\°¡ ´·ÁÁ³À» °æ¿ìÀÇ ¿¹
keybreak(0) : ÇÁ·Î±×·¥ÀÌ ÁߴܵÇÁö ¾Ê°í ¸Þ½ÃÁö°¡ Ãâ·ÂµÇÁö ¾Ê´Â´Ù.
keybreak(1) : ÇÁ·Î±×·¥ÀÌ ÁߴܵǸç ÃʱⰪ ¸Þ½ÃÁö¸¦ Ãâ·ÂÇÑ´Ù.
keybreak(0,"AA") : ÇÁ·Î±×·¥ÀÌ ÁߴܵÇÁö ¾Ê°í "AA" ¸Þ½ÃÁö°¡ Ãâ·ÂµÈ´Ù.
keybreak(1,"AA") : ÇÁ·Î±×·¥ÀÌ ÁߴܵǸç "AA" ¸Þ½ÃÁö°¡ Ãâ·ÂµÈ´Ù.
keybreak(1,"") : ÇÁ·Î±×·¥ÀÌ Áß´ÜµÇ¸ç ¸Þ½ÃÁö¸¦ Ãâ·ÂÇÏÁö ¾Ê´Â´Ù.
4. »ç¿ë¿¹
print(" 5ÃÊ ³»¿¡ CTRL-C¸¦ ´·¯ º¸½Ê½Ã¿ä!\n");
save_keybreak= keybreak();
keybreak(0, "[CTRL-C°¡ ÀԷµǾú½À´Ï´Ù]"); // CTRL-C¸¦ ¹«½ÃÇÏ°í ¸Þ½ÃÁö¸¦ Ãâ·Â
sleep(5);
keybreak(save_keybreak);
print("\n ´ë±â¸¦ Á¾·áÇÕ´Ï´Ù!\n");
------------------------------ [ Ãâ·Â°á°ú ] ------------------------------
5ÃÊ ³»¿¡ CTRL-C¸¦ ´·¯ º¸½Ê½Ã¿ä!
[CTRL-C°¡ ÀԷµǾú½À´Ï´Ù]
´ë±â¸¦ Á¾·áÇÕ´Ï´Ù!
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