createablunaryexpr.3alc - Man Page
creates an unary operator expression.
Synopsis
#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 !",
Operator must be defined and must be a unary operator.
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).
Referenced By
addablhexpr.3alc(3), addablqexpr.3alc(3), createablatom.3alc(3), createablbinexpr.3alc(3), createablnotexpr.3alc(3), createabloper.3alc(3), createablxorbinexpr.3alc(3).