if (-e ~/.my_cshrc) then
   source ~/.my_cshrc
else
   # have csh remember last 20 commands.
   set history=20
   # prevent accidental file destruction with >
   set noclobber
   # prevent accidental logout via control/d.
   set ignoreeof
endif
if (-e .mycshrc) source .mycshrc
set tws=~manuel/systems/tws
set tws_header=$tws/header
set tws_c_header=$tws/c_header
set tws_code=$tws/code
set tws_make = $tws/make
set tws_obj = $tws/obj
set tws_bin = $tws/bin
set tws_manual=$tws/manual
set tws_exec=$tws/exec
set tws_grammars=$tws/grammars
set tws_tables=$tws/tables
set tws_scanner=$tws_tables/system_scanner
set tws_screener=$tws_tables/system_screener
set tws_scan_parser=$tws_tables/scan_parser
set tws_screen_parser=$tws_tables/screen_parser
set tws_parse_parser=$tws_tables/parse_parser
set tws_scan_spec = $tws_grammars/all_scan_specification
set tws_screen_spec = $tws_grammars/all_screen_specification
set tws_scan_syntax = $tws_grammars/scan_parse_specification
set tws_screen_syntax = $tws_grammars/screen_parse_specification
set tws_parse_syntax = $tws_grammars/parse_parse_specification
set path = ($path $tws_exec)
