swab.c,v

来自「TCP-IP红宝书源代码」· C,V 代码 · 共 41 行

head	1.1;
access;
symbols;
locks
	dls:1.1; strict;
comment	@ * @;


1.1
date	97.09.21.19.27.40;	author dls;	state Dist;
branches;
next	;


desc
@@


1.1
log
@pre-3e code
@
text
@/*
 * Swap bytes in 16-bit [half-]words
 * for going between the 11 and the interdata
 */

swab(pf, pt, n)
register short *pf, *pt;
register n;
{

	n = n/2;
	while (--n >= 0) {
		*pt++ = (*pf << 8) + ((*pf >> 8) & 0377);
		pf++;
	}
}
@