swab.3

来自「<B>Digital的Unix操作系统VAX 4.2源码</B>」· 3 代码 · 共 26 行

.\" SCCSID: @(#)swab.3	8.2	1/29/91
.TH swab 3 
.SH Name
swab \- swap bytes
.SH Syntax
.nf
.B void swab(from, to, nbytes)
.B char *from, *to;
.fi
.SH Description
.NXR "swab subroutine"
.NXR "byte" "swapping with PDP-11s"
The
.PN swab
subroutine copies
.I nbytes
bytes pointed to by
.I from
to the position pointed to by
.I to,
exchanging adjacent even and odd bytes.
It is useful for carrying binary data between
machines.  The
.I nbytes
should be even.