题
如何使用编译、链接和调用不同的 YACC 语法 yyparse()
在一个程序中?
解决方案
对每个单独的 yacc 语法使用 -p 选项 一代
-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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