[unix-history] / usr / src / lib / libc / string / swab.c

/* @(#)swab.c	4.1 (Berkeley) %G% */
/*
 * 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 /= 2;
	while (--n >= 0) {
		*pt++ = (*pf << 8) + ((*pf >> 8) & 0377);
		pf++;
	}
}
Commit	Line	Data
d0603900 BJ	1	/* @(#)swab.c 4.1 (Berkeley) %G% */
	2	/*
	3	* Swap bytes in 16-bit [half-]words
	4	* for going between the 11 and the interdata
	5	*/
	6
	7	swab(pf, pt, n)
	8	register short pf, pt;
	9	register n;
	10	{
	11
	12	n /= 2;
	13	while (--n >= 0) {
	14	pt++ = (pf << 8) + ((*pf >> 8) & 0377);
	15	pf++;
	16	}
	17	}