OPER

       isablnameinexpr - tests if a name appears in an expression.

SYNOPSYS

       #include "abl101.h"
       int isablnameinexpr( Expr, Name )
         chain_list ∗Expr;
         char       ∗Name;

PARAMETERS

       Expr                Expression where to search.

       Name                Name to search.

DESCRIPTION

       isablnameinexpr tests if Name appears in Expr.

RETURN VALUE

       isablnameinexpr returns 1 if Name appears in Expr and 0 otherwise.

EXAMPLE

       #include "abl101.h"
         chain_list ∗Expr;
          Expr = createablbinexpr( ABL_AND,
                                   createablatom( "a" ),
                                   createablatom( "b" ) );
          /* displays   1 */
          printf( "%d", isablnameinexpr( Expr, "a" ) );

SEE ALSO

       abl(1)