Digital的Unix操作系统VAX 4.2源码

												#ifndef lint				static	char	*sccsid = "@(#)zero.c	4.1	(ULTRIX)	7/17/90";				#endif lint								/*					Zero `cnt' bytes starting at the address `ptr'.					Return `ptr'.				*/								char	*zero(p,n)				register char *p;				register int n;				{					char *op = p;					while (--n >= 0)						*p++ = 0;					return(op);				}