variable commands

   set dir [file dirname [info script]]
   if {[info command ::tcc4tcl] == ""} {
      catch { load {} tcc4tcl }
   }
   if {[info command ::tcc4tcl] == ""} {
       load [file join $dir tcltcc[info sharedlibextension]] tcc4tcl
       load [file join $dir tcc4tcl[info sharedlibextension]] tcc4tcl
   }
   set libs $dir/lib
   set includes $dir/include
   set count 0
   set command_count 0
   array set commands {}
   proc new {} {