FFLUSH

NAME
SYNOPSIS æ»è§
DESCRIPTION æè¿°
RETURN VALUE è¿åå¼
ERRORS
NOTES è¦ç¹
CONFORMING TO æ ååè
SEE ALSO åè§
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NAME

fflush - å·æ°ä¸ä¸ªæµ

SYNOPSIS æ»è§

#include <stdio.h>

int fflush(FILE *stream);

DESCRIPTION æè¿°

å½æ° fflush 强å¶å¨æç»çè¾åºæµææ´æ°æµ stream ä¸ï¼åå¥å¨ç¨æ·ç©ºé´ç¼å²çæææ°æ®ï¼ä½¿ç¨æµçåºå±ååè½å½æ°ãæµçæå¼ç¶æä¸åå½±åã

å¦æåæ° stream æ¯ NULL, fflush å·æ° ææ æå¼çæµã

è¦ä½¿ç¨ééå®ç对åºçæ¬ï¼åè§ unlocked_stdio(3) ã

RETURN VALUE è¿åå¼

æåæ§è¡è¿å 0ï¼å¦åè¿å EOF 并设置å¨å±åé errno æ¥æ示é误åçã

ERRORS

EBADF

Stream ä¸æ¯ä¸ä¸ªæå¼çæµï¼æèä¸æ¯ç¨äºè¾åºã

å½æ° fflush ä¹å¯è½å¤±è´¥å¹¶ç½® errno 为 write(2) æå®çå¼ã

NOTES è¦ç¹

注æ fflush() ä»ä»å·æ°ç¨æ·ç©ºé´çç± C åºæä¾çç¼å²ãè¦ä¿è¯æ°æ®è¢«ç©çå°å- å¨å°ç£çä¸ï¼å¿é¡»ä¹å·æ°åæ ¸ç¼å²ãä¾å¦ï¼ä½¿ç¨ sync(2) æ fsync(2).

CONFORMING TO æ ååè

å½æ° fflush() éµå¾ª ANSI X3.159-1989 (‘‘ANSI C’’) æ åã

SEE ALSO åè§

fsync(2), sync(2), write(2), fclose(3), fopen(3), setbuf(3), unlocked_stdio(3)

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æ¬é¡µé¢ä¸æçç±ä¸æ man æå页计åæä¾ã
ä¸æ man æå页计åï¼https://github.com/man-pages-zh/manpages-zh

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