改变文件的访问方式 chmod

[c]代码库

#include <sys\stat.h>
#include <stdio.h>
#include <io.h>

void make_read_only ( char *filename );

int main ( void )
{
	make_read_only ( "NOTEXIST.FIL" );
	make_read_only ( "MYFILE.FIL" );
	return 0;
}

void make_read_only ( char *filename )
{
	int stat;

	stat = chmod ( filename, S_IREAD );
	if ( stat )
		printf ( "Couldn't make %s read-only\n", filename );
	else
		printf ( "Made %s read-only\n", filename );
}