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answers:

1

How do I compile, link and call different YACC grammars using yyparse() in one program?

+4  A: 

Use the -p option for each separate yacc grammar generation

 -p prefix

           Use prefix instead of yy as the prefix for all external
           names produced by yacc.  For X/Open compliance, when the
           environment variable _XPG is set, then the -p option will work
           as described in the previous sentence.  If the environment
           variable _XPG is not set, then the -p option will work as
           described below in the -P option.
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