NAME

createablunaryexpr - creates an unary operator expression.

See the file buster/alliance/alc_origin.1.en.gz.

SYNOPSYS

#include "abl101.h"
chain_list ∗createablunaryexpr( Oper, Expr )


  long        Oper;


  chain_list ∗Expr;

PARAMETERS

Oper

The unary operator number.

Expr

Expression.

DESCRIPTION

createablunaryexpr creates the unary operator expression Operator Expr. createablbinexpr combines eventualy the operator of Expr with Operator. The expression pointer Expr MUSTN'T be used after the call to this function.

RETURN VALUE

createablunaryexpr returns a pointer to the new operator expression.

ERRORS

"ablcreate: bad operator xx !",

EXAMPLE

#include "abl101.h"


   chain_list ∗ExprA;


   chain_list ∗ExprB;


   chain_list ∗ExprAorB;


   chain_list ∗ExprAnorB;


   ExprA = createablatom( "a" );


   ExprB = createablatom( "b" );


   ExprAorB  = createablbinexpr( ABL_OR, ExprA, ExprB );


   ExprAnorB = createablunaryexpr( ABL_NOT, ExprAorB );

SEE ALSO

abl(1) createablatom(3), createabloper(3), createablnotexpr(3), createablbinexpr(3), createablxorbinexpr(3), addablhexpr(3), addablqexpr(3).

See the file buster/alliance/alc_bug_report.1.en.gz.