基本內容
函式名: _flushall
功 能: 清除所有緩衝區
用 法: int flushall(void);
程式例:
#include
int main(void) {
FILE *stream;
/* create a file */
stream = fopen("DUMMY.FIL", "w");
/* flush all open streams */
printf("%d streams were flushed.\n", _flushall());
/* close the file */
fclose(stream);
return 0;
}
程式示例
下面這個例子來自MSDN：
#include
int main( void )
{
int numflushed;
numflushed = _flushall();
printf( "There were %d streams flushed\n", numflushed );
return 0;
}
運行結果：
There were 3 streams flushed
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