函数名: fcloseall
功 能: 关闭打开流
用 法: int fcloseall(void);
程序例:
#include <stdio.h>
int main(void)
{
int streams_closed;
/* open two streams */
fopen("DUMMY.ONE", "w");
fopen("DUMMY.TWO", "w");
/* close the open streams */
streams_closed = fcloseall();
if (streams_closed == EOF)
/* issue an error message */
perror("Error");
else
/* print result of fcloseall() function */
printf("%d streams were closed.
", streams_closed);
return 0;
}