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FFLUSHSection: Linux Programmer's Manual (3)Updated: 29 November 1993 Index Return to Main Contents ̾Á°fflush - ¥¹¥È¥ê¡¼¥à¤ÎÆâÍÆ¤ò¶¯À©Åª¤Ë½ÐÎϤ¹¤ë½ñ¼°#include <stdio.h>ÀâÌÀfflush ´Ø¿ô¤Ï¡¢¥æ¡¼¥¶¡¼¶õ´Ö¤Ç¥Ð¥Ã¥Õ¥¡¥ê¥ó¥°¤µ¤ì¤Æ¤¤¤ë¤¹¤Ù¤Æ¤Î¥Ç¡¼¥¿¤ò Í¿¤¨¤é¤ì¤¿½ÐÎϤ˽ñ¤½Ð¤¹ (¥Õ¥é¥Ã¥·¥å¤¹¤ë)¡£ ¤¢¤ë¤¤¤Ï¥¹¥È¥ê¡¼¥à stream ¤Î²¼°Ì¤Ë¤¢¤ë½ñ¤¹þ¤ß´Ø¿ô¤òÍѤ¤¤Æ¤³¤Î¥¹¥È¥ê¡¼¥à¤ò¹¹¿·¤¹¤ë¡£ ¥¹¥È¥ê¡¼¥à¤Ï³«¤¤¤¿¾õÂ֤ΤޤޤǤ¢¤ê¡¢ ¤³¤Î´Ø¿ô¤Ë¤è¤Ã¤Æ²¿¤Î±Æ¶Á¤â¼õ¤±¤Ê¤¤¡£¤â¤· stream °ú¿ô¤¬ NULL ¤Ê¤é¤Ð¡¢ fflush ¤Ï³«¤¤¤Æ¤¤¤ë¤¹¤Ù¤Æ¤Î½ÐÎÏ¥¹¥È¥ê¡¼¥à¤ò¥Õ¥é¥Ã¥·¥å¤¹¤ë¡£ ÊÖ¤êÃÍÀ®¸ù¤¹¤ë¤È 0 ¤¬ÊÖ¤µ¤ì¤ë¡£ ¤½¤Î¾¤Î¾ì¹ç¤Ë¤Ï EOF ¤¬ÊÖ¤µ¤ì¡¢Âç°èÊÑ¿ô errno ¤¬¡¢¥¨¥é¡¼¤ËÂбþ¤·¤¿ÃͤËÀßÄꤵ¤ì¤ë¡£¥¨¥é¡¼
fflush ´Ø¿ô¤Ï write(2) ¥ë¡¼¥Á¥ó¤Ç»ØÄꤵ¤ì¤Æ¤¤¤ë¤è¤¦¤Ê¥¨¥é¡¼¤Ç¼ºÇÔ¤¹¤ë¤³¤È¤â¤¢¤ë¡£ ¤³¤Î¾ì¹ç errno ¤â¤½¤ÎÃͤËÀßÄꤵ¤ì¤ë¡£ Ãí°Õfflush ¤Ï¡¢ C ¥é¥¤¥Ö¥é¥ê¤¬Í¿¤¨¤Æ¤¤¤ë¥æ¡¼¥¶¡¼¶õ´Ö¤Î¥Ð¥Ã¥Õ¥¡¤·¤«¥Õ¥é¥Ã¥·¥å¤·¤Ê¤¤¡£ ¥Ç¡¼¥¿¤¬ÊªÍýŪ¤Ë¥Ç¥£¥¹¥¯¤ËÊݸ¤µ¤ì¤ë¤³¤È¤òÊݾڤ·¤¿¤±¤ì¤Ð¡¢ ¥«¡¼¥Í¥ë¥Ð¥Ã¥Õ¥¡¤â¥Õ¥é¥Ã¥·¥å¤·¤Ê¤±¤ì¤Ð¤Ê¤é¤Ê¤¤¡£ ¤³¤ì¤Ë¤ÏÎ㤨¤Ð sync(2) ¤ä fsync(2) ¤òÍѤ¤¤ë¡£½àµòfflush ´Ø¿ô¤ÏANSI X3.159-1989 (``ANSI C'')¤Ë½àµò¤¹¤ë¡£´ØÏ¢¹àÌÜwrite(2), fclose(3), fopen(3), fsync(2), sync(2), write(2), setbuf(3)
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