.\" $NetBSD: iso646.3,v 1.6 2017/07/03 21:30:58 wiz Exp $
.\"
.\" Copyright (c) 2010 The NetBSD Foundation, Inc.
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.\" This code is derived from software contributed to The NetBSD Foundation
.\" by Jukka Ruohonen.
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.Dd December 16, 2010
.Dt ISO646 3
.Os
.Sh NAME
.Nm iso646
.Nd alternative operator spellings
.Sh SYNOPSIS
.In iso646.h
.Sh DESCRIPTION
The
.In iso646.h
header defines eleven alternative spellings for standard operators:
.Bl -column -offset indent \
"11." "xor_eq" "xx"
.It Li 1. Ta Em and Ta &&
.It Li 2. Ta Em and_eq Ta &\&=
.It Li 3. Ta Em bitand Ta &
.It Li 4. Ta Em bitor Ta \*[Ba]
.It Li 5. Ta Em compl Ta \&~
.It Li 6. Ta Em not Ta \&!
.It Li 7. Ta Em not_eq Ta \*[Ne]
.It Li 8. Ta Em or Ta \*[Ba]\*[Ba]
.It Li 9. Ta Em or_eq Ta \*[Ba]\&=
.It Li 10. Ta Em xor Ta \&^
.It Li 11. Ta Em xor_eq Ta \&^\&=
.El
.Pp
Each macro expands to the corresponding token.
.Sh RATIONALE
None.
.Sh SEE ALSO
.Xr operator 7
.Sh STANDARDS
The
.In iso646.h
header conforms to
.St -ansiC .
.Sh HISTORY
The
.In iso646.h
header was first introduced in
.Nx 1.1 .