flushall

函数名: flushall

功 能: 清除所有缓冲区

用 法: int flushall(void);

程序例:

#include <stdio.h>

int main(void)

{

FILE *stream;

/* create a file */

stream = fopen("DUMMY.FIL", "w");

/* flush all open streams */

printf("%d streams were flushed.

",

flushall());

/* close the file */

fclose(stream);

return 0;

}