if (!mp && !(mp = getmp(dev))) {
u.u_error = ENXIO;
- return((struct inode *)0);
+ return(NULL);
}
pip=iget(dev,mp,inode);
if(!pip)
{
struct file *fp;
struct inode *ip;
- struct vnode *vp = (struct vnode *)0;
+ struct vnode *vp = NULL;
int dummy;
extern struct fileops vnodefops;
register int code;