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wcrtomb
Langue: ja
Version: July 25, 1999 (openSuse - 09/10/07)
Section: 3 (Bibliothèques de fonctions)
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wcrtomb - ¥ï¥¤¥Éʸ»ú 1 ¤Ä¤ò¥Þ¥ë¥Á¥Ð¥¤¥ÈÎó¤ËÊÑ´¹¤¹¤ë½ñ¼°
#include <wchar.h> size_t wcrtomb(char *s, wchar_t wc, mbstate_t *ps);
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¤³¤Î´Ø¿ô¤¬¼ç¤Ë»È¤ï¤ì¤ë¤Î¤Ï¡¢s ¤¬ NULL ¤Ç¤Ê¤¯¡¢wc ¤¬ L'\0' ¤Ç¤Ê¤¤¾ì¹ç¤Ç¤¢¤ë¡£ ¤³¤Î¾ì¹ç¤Ë¤Ï¡¢ wcrtomb() ´Ø¿ô¤Ï¥ï¥¤¥Éʸ»ú wc ¤ò¥Þ¥ë¥Á¥Ð¥¤¥Èɽ ¸½¤ËÊÑ´¹¤·¡¢s ¤¬»Ø¤¹ char ·¿¤ÎÇÛÎó¤Ë¤³¤ì¤ò³ÊǼ¤¹¤ë¡£¤³¤Î´Ø¿ô¤Ï ¥·¥Õ¥È¾õÂÖ *ps ¤ò¹¹¿·¤·¡¢½ÐÎϤµ¤ì¤¿¥Þ¥ë¥Á¥Ð¥¤¥Èɽ¸½¤ÎŤµ¡¢¤¹¤Ê ¤ï¤Á s ¤Ë½ñ¤¹þ¤Þ¤ì¤¿¥Ð¥¤¥È¿ô¤òÊÖ¤¹¡£Ê̤Υ±¡¼¥¹¤È¤·¤Æ¤Ï¡¢s ¤Ï NULL ¤Ç¤Ê¤¤¤¬ wc ¤¬ L'\0' ¤Î¤³¤È¤¬ ¤¢¤ë¡£¤³¤Î¾ì¹ç¤Î wcrtomb() ´Ø¿ô¤Ï¡¢*ps ¤ò½é´ü¾õÂÖ¤ËÌ᤹¤Î¤Ëɬ Íפʥ·¥Õ¥È¥·¡¼¥±¥ó¥¹¤ò s ¤¬»Ø¤¹ char ·¿ÇÛÎó¤Ë³ÊǼ¤·¡¢¤½¤Î¸å¤Ë '\0' ¤ò³ÊǼ¤¹¤ë¡£¤³¤Î´Ø¿ô¤Ï¥·¥Õ¥È¾õÂÖ *ps ¤ò¹¹¿·¤·(¤Ä¤Þ¤ê½é´ü¾õÂÖ¤ËÌá ¤·)¡¢¥·¥Õ¥È¥·¡¼¥±¥ó¥¹¤ÎŤµ¤Ë 1 ¤ò²Ã¤¨¤¿ÃͤòÊÖ¤¹¡£¤³¤ÎÃÍ¤Ï s ¤Ë ½ñ¤¹þ¤Þ¤ì¤¿¥Ð¥¤¥È¿ô¤Ç¤¢¤ë¡£
»°ÈÖÌܤΥ±¡¼¥¹¤Ï¡¢s ¤¬ NULL ¤Î»þ¤Ç¤¢¤ë¡£¤³¤Î¾ì¹ç¤Ë¤Ï wc ¤Ï ̵»ë¤µ¤ì¡¢´Ø¿ô¤Î¼ÂºÝ¤Î¸ú²Ì¤È¤·¤Æ¤Ï wcrtomb(buf,L'\0',ps) ¤ÈƱ¤¸ Ãͤ¬ÊÖ¤µ¤ì¤ë¡£¤³¤³¤Ç¡¢buf ¤ÏÆâÉôŪ¤Êƿ̾¤Î¥Ð¥Ã¥Õ¥¡¤Ç¤¢¤ë¡£
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wcrtomb() ´Ø¿ô¤Ï¡¢s ¤¬»Ø¤¹¥Ð¥¤¥ÈÎó¤Ë½ñ¤¹þ¤Þ¤ì¤¿¥Ð¥¤¥È¿ô¡¢¤¢ ¤ë¤¤¤Ï½ñ¤¹þ¤Þ¤ì¤¿¤Ç¤¢¤í¤¦¥Ð¥¤¥È¿ô¤òÊÖ¤¹¡£wc ¤ò(¸½ºß¤Î¥í¥±¡¼¥ë¤Ë ½¾¤Ã¤Æ)¥Þ¥ë¥Á¥Ð¥¤¥ÈÎó¤Çɽ¸½¤Ç¤¤Ê¤±¤ì¤Ð¡¢(size_t)(-1) ¤¬ÊÖ¤µ¤ì¡¢ errno ¤Ë EILSEQ ¤¬ÀßÄꤵ¤ì¤ë¡£½àµò
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wcrtomb() ¤ÎÆ°ºî¤Ï¡¢¸½ºß¤Î¥í¥±¡¼¥ë¤Î LC_CTYPE ¥«¥Æ¥´¥ê¤Ë°Í¸¤¹¤ë¡£ps ¤Ë NULL ¤òÅϤ·¤¿ºÝ¤ÎÆ°ºî¤Ï¥Þ¥ë¥Á¥¹¥ì¥Ã¥É¥»¡¼¥Õ¤Ç¤Ê¤¤¡£
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