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

# freeablexpr(3)

frees an expression.

## NAME

freeablexpr - frees an expression.

## SYNOPSYS

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

## PARAMETERS

- *Expr*

  Expression to free.

## DESCRIPTION

**freeablexpr** frees the expression *Expr* even if this expression is not a valid one.\

## RETURN VALUE

**freeablexpr** returns nothing.

## EXAMPLE

```
#include "abl101.h"
   chain_list ∗ExprA;
   chain_list ∗ExprB;
   chain_list ∗ExprAorB;
   ExprA = createablatom( "a" );
   ExprB = createablatom( "b" );
   ExprAorB  = createablbinexpr( ABL_OR, ExprA, ExprB );
   ...
   freeablexpr( ExprAorB );
   ExprAorB = (chain_list ∗)0;
   ...
```

## SEE ALSO

[**abl**(1)](/abl/1.md) **[delablexpr(3)](/delablexpr/3.md).**