确定文件的访问权限

[c]代码库

#include <stdio.h>
#include <io.h>

int file_exists ( char *filename );

int main ( void )
{
	printf ( "Does NOTEXIST.FIL exist: %s\n",
	         file_exists ( "NOTEXISTS.FIL" ) ? "YES" : "NO" );
	return 0;
}

int file_exists ( char *filename )
{
	return ( access ( filename, 0 ) == 0 );
}