---
name: "devablxorexpr"
section: "3"
platform: "linux"
package: "alliance"
version: "5.1.1-3"
release: "Debian 10 (Buster)"
platforms: ["linux"]
url: "https://new.carta.tech/devablxorexpr"
---

# devablxorexpr(3)

develops 'xor', 'nxor' in an expression.

## NAME

devablxorexpr - develops 'xor', 'nxor' in an expression.

## SYNOPSYS

```
#include "abl101.h"
chain_list ∗devablxorexpr( Expr )
  chain_list ∗Expr;
```

## PARAMETERS

- *Expr*

  Expression to develop.

## DESCRIPTION

**devablxorexpr** develops 'xor' or 'xnor' in *Expr*. The expression pointer *Expr* MUSTN'T be used after the call to this function.\

## RETURN VALUE

**devablxorexpr** returns a pointer to the modified expression.

## EXAMPLE

```
#include "abl101.h"
  chain_list ∗Expr;
  Expr = createablbinexpr( ABL_XOR,
                           createablatom( "a" ),
                           createablatom( "b" ) );
  Expr = devablxorexpr( Expr );
  /* displays (a and (not b)) or ((not a) and b) */
  viewablexpr( Expr, ABL_VIEW_VHDL );
```

## SEE ALSO

[**abl**(1)](/abl/1.md), **[devdupablxorexpr(3)](/devdupablxorexpr/3.md).**