cpp_lineno         19 htags/cpp.c    #define yylineno cpp_lineno
cpp_lineno        363 htags/cpp.c    extern int cpp_lineno;
cpp_lineno        365 htags/cpp.c    int cpp_lineno = 1;
cpp_lineno       1927 htags/cpp.c        return cpp_lineno;
cpp_lineno       1970 htags/cpp.c        cpp_lineno = line_number;