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fflush, fpurge — ???ȥ꡼???Υե??å???

?饤?֥???

Standard C Library (libc, -lc)

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<stdio.h> int fflush(FILE *stream) int fpurge(FILE *stream)

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fflush() ?ؿ??ϡ????٤ƤΥХåե????줿?ǡ??????б????? ???Ϥ˶???Ū?˽????ߤޤ??? ?ޤ??ϥ??ȥ꡼???ξ????ϡ????ؤν????ߴؿ????Ѥ??? stream ?ι?????????Ū?˼¹Ԥ??ޤ??? ???ȥ꡼???ϳ????????֤Τޤޤǡ????δؿ??ˤ??äƱƶ??ϼ????ޤ?????

stream ?????? NULL ?ξ??硢 fflush() ?ϳ????Ƥ??? ???٤Ƥ? ???ϥ??ȥ꡼?????ե??å??夷?ޤ???

fpurge() ?ؿ??ϡ????ꤵ?줿 stream ?ΥХåե??????äƤ????ɤ????????Ϥ??õ?ޤ??? ???ϥ??ȥ꡼???ξ????ϡ??????ޤ??Ƥ??ʤ????Ϥ??˴????ޤ??? ???ϥ??ȥ꡼???ξ????ϡ????إ??֥??????Ȥ????ɹ????Ǥ??ꡢ getc(3) ?Ǽ????Ф????Ƥ??ʤ????Ϥ??˴????ޤ??? ?????ˤϡ? ungetc ?ǥץå????Хå????줿?ƥ????Ȥ??ޤޤ??ޤ???

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???????????˴?λ?????ȡ??? 0 ???֤????ޤ??? ?????Ǥʤ??????? EOF ???ᤵ?졢???顼?򼨤??????˥??????Х??ѿ? errno ?????ꤵ???ޤ???

???顼

[EBADF]

stream ???????Ƥ??륹?ȥ꡼???ǤϤ????ޤ????? fflush() ?ξ??硢???ȥ꡼?ब???????Ѥ˳????Ƥ??ޤ?????

fflush() ?ؿ??????顼?ˤʤ??ȡ??롼???? write(2) ?ǻ??ꤵ?줿???顼?? errno ?????ꤵ???ޤ???

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write(2), fclose(3), fopen(3), setbuf(3)

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fflush() ?ؿ??ϡ? ISO/IEC 9899:1990 (“ISO C90”) ??Ŭ?礷?Ƥ??ޤ???