diff --git a/ChangeLog b/ChangeLog
index f016b8aef..55b5f0622 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2010-06-26  Robert Larice
+ * src/frontend/commands.c:
+	NULL needs no cast
+
 2010-06-26  Robert Larice
  * src/include/inpptree.h,
  * src/spicelib/parser/ifeval.c,
diff --git a/src/frontend/commands.c b/src/frontend/commands.c
index acae8ad88..8c4c66af2 100644
--- a/src/frontend/commands.c
+++ b/src/frontend/commands.c
@@ -86,7 +86,7 @@ struct comm spcp_coms[] = {
       "vector ... [ shape ] : change the dimensions of a vector." } ,
     { "define", com_define, FALSE, FALSE, TRUE,
       { 010000, 040000, 040000, 040000 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[[func (args)] stuff] : Define a user-definable function." } ,    
     { "set", com_set, FALSE, FALSE, TRUE,
       { 020000, 020000, 020000, 020000 }, E_DEFHMASK, 0, LOTS,
@@ -101,21 +101,21 @@ struct comm spcp_coms[] = {
       "[option] [option = value] ... : Set a simulator option." } ,
     { "savesnap", com_savesnap, FALSE, FALSE, TRUE,
       { 1, 040000, 040000, 040000 }, E_DEFHMASK, 1, 1,
-      (void (*)()) NULL,
+      NULL,
       "file : Save a snapshot." } ,
     { "loadsnap", com_loadsnap, FALSE, FALSE, TRUE,
       { 1, 040000, 040000, 040000 }, E_DEFHMASK, 2, 2,
-      (void (*)()) NULL,
+      NULL,
       "file : Load a snapshot." } ,
 #endif    
     
     { "alias", com_alias, FALSE, FALSE, FALSE,
       { 02, 04, 04, 04 }, E_ADVANCED, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[[word] alias] : Define an alias." } ,
     { "deftype", com_dftype, FALSE, FALSE, FALSE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 3, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "spec name pat ... : Redefine vector and plot types.\n" } ,
 #ifdef TCL_MODULE
     { "bltplot", com_bltplot, FALSE, FALSE, TRUE,
@@ -138,55 +138,55 @@ struct comm spcp_coms[] = {
       ": Display vector status." } ,
     { "destroy", com_destroy, FALSE, FALSE, FALSE,
       { 0400, 0400, 0400, 0400 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[plotname] ... : Throw away all the data in the plot." } ,
     { "setplot", com_splot, FALSE, FALSE, TRUE,
       { 0400, 0, 0, 0 }, E_DEFHMASK, 0, 1,
-      (void (*)()) NULL,
+      NULL,
       "[plotname] : Change the current working plot." } ,
     { "setcirc", com_scirc, FALSE, TRUE, FALSE,
       { 04, 0, 0, 0 }, E_DEFHMASK, 0, 1,
-      (void (*)()) NULL,
+      NULL,
       "[circuit name] : Change the current circuit." } ,
     { "setscale", com_setscale, FALSE, FALSE, FALSE,
       { 040000, 0, 0, 0 }, E_DEFHMASK, 0, 1,
-      (void (*)()) NULL,
+      NULL,
       "[vecname] : Change default scale of current working plot." } ,
     { "transpose", com_transpose, FALSE, FALSE, FALSE,
       { 040000, 040000, 040000, 040000 }, E_DEFHMASK, 1, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "varname ... : Perform matrix transposition on multi-D vectors." } ,
     { "xgraph", com_xgraph, FALSE, FALSE, TRUE,
       { 1, 041000, 041000, 041000 }, E_DEFHMASK, 1, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "file plotargs : Send plot to Xgraph-11." } ,
     { "gnuplot", com_gnuplot, FALSE, FALSE, TRUE,
       { 1, 041000, 041000, 041000 }, E_DEFHMASK, 2, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "file plotargs : Send plot to gnuplot." } ,
     { "wrdata", com_write_simple, FALSE, FALSE, TRUE,
       { 1, 041000, 041000, 041000 }, E_DEFHMASK, 2, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "file plotargs : Send plot data to file." } ,
     { "hardcopy", com_hardcopy, FALSE, FALSE, TRUE,
       { 1, 041000, 041000, 041000 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "file plotargs : Produce hardcopy plots." } ,
     { "asciiplot", com_asciiplot, FALSE, FALSE, TRUE,
       { 041000, 041000, 041000, 041000 }, E_DEFHMASK, 1, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "plotargs : Produce ascii plots." } ,
     { "write", com_write, FALSE, FALSE, TRUE,
       { 1, 040000, 040000, 040000 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "file expr ... : Write data to a file." } ,
     { "compose", com_compose, FALSE, FALSE, FALSE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 2, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "var parm=val ... : Compose a vector." } ,
     { "unlet", com_unlet, FALSE, FALSE, FALSE,
       { 040000, 040000, 040000, 040000 }, E_DEFHMASK, 1, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "varname ... : Undefine vectors." } ,
     { "print", com_print, FALSE, FALSE, TRUE,
       { 040000, 040000, 040000, 040000 }, E_BEGINNING, 1, LOTS,
@@ -196,18 +196,18 @@ struct comm spcp_coms[] = {
 /* gtri - begin - wbk - add event print command */
     { "eprint", EVTprint, FALSE, FALSE, TRUE,
       { 040000, 040000, 040000, 040000 }, E_BEGINNING, 1, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "node node ... : Print event values." } ,
 /* gtri - end - wbk - add event print command */
     { "codemodel", com_codemodel, FALSE, FALSE, TRUE,
       { 040000, 040000, 040000, 040000 }, E_BEGINNING, 1, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "library library ... : Loads the opus librarys." } ,
 #endif
 #ifdef DEVLIB
     { "use", com_use, FALSE, FALSE, TRUE,
       { 040000, 040000, 040000, 040000 }, E_BEGINNING, 1, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "library library ... : Loads the device librarys." } ,
 #endif
     { "load", com_load, FALSE, FALSE, TRUE,
@@ -216,295 +216,295 @@ struct comm spcp_coms[] = {
       "file ... : Load in data." } ,
     { "cross", com_cross, FALSE, FALSE, TRUE,
       { 040000, 0, 040000, 040000 }, E_DEFHMASK, 2, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "vecname number [ vector ... ] : Make a vector in a strange way." } ,
     { "undefine", com_undefine, FALSE, FALSE, FALSE,
       { 010000, 010000, 010000, 010000 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[func ...] : Undefine a user-definable function." } ,
     { "op", com_op, FALSE, TRUE, TRUE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[.op line args] : Determine the operating point of the circuit." } ,
     { "tf", com_tf, FALSE, TRUE, TRUE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[.tran line args] : Do a transient analysis." } ,
     { "tran", com_tran, FALSE, TRUE, TRUE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[.tran line args] : Do a transient analysis." } ,
     { "ac", com_ac, FALSE, TRUE, TRUE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[.ac line args] : Do an ac analysis." } ,
     { "dc", com_dc, FALSE, TRUE, TRUE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[.dc line args] : Do a dc analysis." } ,
     { "pz", com_pz, FALSE, TRUE, FALSE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[.pz line args] : Do a pole / zero analysis." } ,
     { "sens", com_sens, FALSE, TRUE, TRUE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[.sens line args] : Do a sensitivity analysis." } ,
     { "disto", com_disto, FALSE, TRUE, FALSE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[.disto line args] : Do an distortion analysis." } ,
     { "noise", com_noise, FALSE, TRUE, TRUE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[.noise line args] : Do a noise analysis." } ,
     { "listing", com_listing, FALSE, TRUE, TRUE,
       { 0100, 0100, 0100, 0100 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[logical] [physical] [deck] : Print the current circuit." } ,
     { "edit", com_edit, FALSE, TRUE, TRUE,
       { 1, 0, 0, 0 }, E_DEFHMASK, 0, 1,
-      (void (*)()) NULL,
+      NULL,
       "[filename] : Edit a spice deck and then load it in." } ,
     { "dump", com_dump, FALSE, TRUE, FALSE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, 0,
-      (void (*)()) NULL,
+      NULL,
       ": Print a dump of the current circuit." } ,
     { "fft", com_fft, FALSE, FALSE, TRUE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 1, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "vector ... : Create a frequency domain plot with FFT." } ,      
     { "fourier", com_fourier, FALSE, FALSE, TRUE,
       { 0, 040000, 040000, 040000 }, E_DEFHMASK, 1, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "fund_freq vector ... : Do a fourier analysis of some data." } ,
     { "spec", com_spec, FALSE, FALSE, TRUE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 4, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "start_freq stop_freq step_freq vector ... : Create a frequency domain plot." } ,
     { "meas", com_meas, FALSE, FALSE, TRUE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 1, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "various ... : User defined signal evaluation." } ,  
     { "show", com_show, FALSE, TRUE, FALSE,
       { 040, 040, 040, 040 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "devices ... : parameters ... : Print out device summary." } ,
     { "showmod", com_showmod, FALSE, TRUE, FALSE,
       { 040, 040, 040, 040 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "models ... : parameters ... : Print out model summary." } ,
     { "sysinfo", com_sysinfo, FALSE, TRUE, FALSE,
       { 040, 040, 040, 040 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "Print out system info summary." } ,      
     { "alter", com_alter, FALSE, TRUE, FALSE,
       { 040, 040, 040, 040 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "devspecs : parmname value : Alter device parameters." } ,
     { "altermod", com_altermod, FALSE, TRUE, FALSE,
       { 040, 040, 040, 040 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "devspecs : parmname value : Alter model parameters." } ,
     { "resume", com_resume, FALSE, TRUE, FALSE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, 0,
-      (void (*)()) NULL,
+      NULL,
       ": Continue after a stop." } ,
     { "state", com_state, FALSE, TRUE, FALSE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "(unimplemented) : Print the state of the circuit." },
     { "stop", com_stop, FALSE, TRUE, FALSE,
       { 04200, 04200, 04200, 04200 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[stop args] : Set a breakpoint." } ,
     { "trace", com_trce, FALSE, TRUE, FALSE,
       { 0200, 0200, 0200, 0200 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[all] [node ...] : Trace a node." } ,
     { "save", com_save, FALSE, TRUE, FALSE,
       { 0200, 0200, 0200, 0200 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[all] [node ...] : Save a spice output." } ,
     { "iplot", com_iplot, FALSE, TRUE, TRUE,
       { 0200, 0200, 0200, 0200 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[all] [node ...] : Incrementally plot a node." } ,
     { "status", com_sttus, FALSE, TRUE, FALSE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, 0,
-      (void (*)()) NULL,
+      NULL,
       ": Print the current breakpoints and traces." } ,
     { "delete", com_delete, FALSE, TRUE, FALSE,
       { 020, 020, 020, 020 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[all] [break number ...] : Delete breakpoints and traces." } ,
     { "step", com_step, FALSE, TRUE, FALSE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, 1,
-      (void (*)()) NULL,
+      NULL,
       "[number] : Iterate number times, or one." } ,
     { "reset", com_rset, FALSE, TRUE, TRUE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, 0,
-      (void (*)()) NULL,
+      NULL,
       ": Terminate a simulation after a breakpoint (formerly 'end')." } ,
     { "run", com_run, FALSE, TRUE, TRUE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, 1,
-      (void (*)()) NULL,
+      NULL,
       "[rawfile] : Run the simulation as specified in the input file." } ,
     { "aspice", com_aspice, FALSE, FALSE, FALSE,
       { 1, 1, 1, 1 }, E_DEFHMASK, 1, 2,
-      (void (*)()) NULL,
+      NULL,
       "file [outfile] : Run a spice job asynchronously." } ,
     { "jobs", com_jobs, FALSE, FALSE, FALSE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, 0,
-      (void (*)()) NULL,
+      NULL,
       ": Report on asynchronous spice jobs." } ,
     { "rspice", com_rspice, FALSE, FALSE, FALSE,
       { 1, 1, 1, 1 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[input file] : Run a spice job remotely." } ,
     { "bug", com_bug, FALSE, FALSE, TRUE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, 0,
-      (void (*)()) NULL,
+      NULL,
       ": Report a %s bug." } ,
     { "where", com_where, FALSE, TRUE, TRUE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, 0,
-      (void (*)()) NULL,
+      NULL,
       ": Print last non-converging node or device" } ,
     { "newhelp", com_ahelp, FALSE, FALSE, TRUE,
       { 010, 010, 010, 010 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[command name] ... : help." },
     { "tutorial", com_ghelp, FALSE, FALSE, TRUE,
       { 023010, 023010, 023010, 023010 }, E_BEGINNING, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[subject] ... : Hierarchical documentation browser." } ,
     { "help", com_ghelp, FALSE, FALSE, TRUE,
       { 023010, 023010, 023010, 023010 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[subject] ... : Hierarchical documentation browser." } ,
     { "oldhelp", com_help, FALSE, FALSE, TRUE,
       { 010, 010, 010, 010 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[command name] ... : Print help." } ,
       /* to remove circuits loaded */
     { "removecirc", com_removecirc, FALSE, TRUE, FALSE,
       { 04, 0, 0, 0 }, E_DEFHMASK, 0, 1,
-      (void (*)()) NULL,
+      NULL,
       "[circuit name] : Remove the current circuit from memory." } ,
     { "quit", com_quit, FALSE, FALSE, TRUE,
       { 0, 0, 0, 0 }, E_BEGINNING, 0, 1,
-      (void (*)()) NULL,
+      NULL,
       ": Quit %s." } ,
     { "source", com_source, FALSE, FALSE, TRUE,
       { 1, 1, 1, 1 }, E_DEFHMASK, 1, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "file : Source a %s file." } ,
     { "shift", com_shift, FALSE, FALSE, FALSE,
       { 020000, 0, 0, 0 }, E_DEFHMASK, 0, 2,
-      (void (*)()) NULL,
+      NULL,
       "[var] [number] : Shift argv or the named list var to the left." } ,
     { "unset", com_unset, FALSE, FALSE, FALSE,
       { 020000, 020000, 020000, 020000 }, E_DEFHMASK, 1, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "varname ... : Unset a variable." } ,
     { "unalias", com_unalias, FALSE, FALSE, FALSE,
       { 02, 02, 02, 02 }, E_DEFHMASK, 1, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "word ... : Undefine an alias." } ,
     { "history", com_history, FALSE, FALSE, FALSE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, 2,
-      (void (*)()) NULL,
+      NULL,
       "[-r] [number] : Print command history." } ,
     { "echo", com_echo, FALSE, FALSE, FALSE,
       { 1, 1, 1, 1 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[stuff ...] : Print stuff." } ,
     { "shell", com_shell, FALSE, FALSE, TRUE,
       { 1, 1, 1, 1 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[args] : Fork a shell, or execute the command." } ,
     { "rusage", com_rusage, FALSE, FALSE, FALSE,
       { 02000, 02000, 02000, 02000 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[resource ...] : Print current resource usage." } ,
     { "cd", com_chdir, FALSE, FALSE, FALSE,
       { 1, 0, 0, 0 }, E_DEFHMASK, 0, 1,
-      (void (*)()) NULL,
+      NULL,
       "[directory] : Change working directory." } ,
     { "version", com_version, FALSE, FALSE, FALSE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[number] : Print the version number." } ,
     { "diff", com_diff, FALSE, FALSE, FALSE,
       { 0400, 0400, 040000, 040000 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "plotname plotname [vec ...] : 'diff' two plots." } ,
     { "rehash", com_rehash, FALSE, FALSE, FALSE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, 0,
-      (void (*)()) NULL,
+      NULL,
       ": Rebuild the unix command database." } ,
     { "while", NULL, FALSE, FALSE, FALSE,
       { 040000, 040000, 040000, 040000 }, E_DEFHMASK, 1, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "condition : Execute while the condition is TRUE." } ,
     { "repeat", NULL, FALSE, FALSE, FALSE,
       { 0, 0, 0, 0}, E_DEFHMASK, 0, 1,
-      (void (*)()) NULL,
+      NULL,
       "[number] : Repeat number times, or forever." } ,
     { "dowhile", NULL, FALSE, FALSE, FALSE,
       { 040000, 040000, 040000, 040000 }, E_DEFHMASK, 1, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "condition : Execute while the condition is TRUE." } ,
     { "foreach", NULL, FALSE, FALSE, FALSE,
       { 0, 040000, 040000, 040000 }, E_DEFHMASK, 2, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "variable value ... : Do once for each value." } ,
     { "if", NULL, FALSE, FALSE, FALSE,
       { 040000, 040000, 040000, 040000 }, E_DEFHMASK, 1, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "condition : Execute if the condition is TRUE." } ,
     { "else", NULL, FALSE, FALSE, FALSE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, 0,
-      (void (*)()) NULL,
+      NULL,
       ": Goes with if." } ,
     { "end", NULL, FALSE, FALSE, FALSE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, 0,
-      (void (*)()) NULL,
+      NULL,
       ": End a block." } ,
     { "break", NULL, FALSE, FALSE, FALSE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, 0,
-      (void (*)()) NULL,
+      NULL,
       ": Break out of a block." } ,
     { "continue", NULL, FALSE, FALSE, FALSE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, 0,
-      (void (*)()) NULL,
+      NULL,
       ": Continue a loop." } ,
     { "label", NULL, FALSE, FALSE, FALSE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 1, 1,
-      (void (*)()) NULL,
+      NULL,
       "word : Create someplace to go to." } ,
     { "goto", NULL, FALSE, FALSE, FALSE,
       { 0100000, 0, 0, 0 }, E_DEFHMASK, 1, 1,
-      (void (*)()) NULL,
+      NULL,
       "word : Go to a label." } ,
     { "cdump", com_cdump, FALSE, FALSE, FALSE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, 0,
-      (void (*)()) NULL,
+      NULL,
       ": Dump the current control structures." } ,
     { "settype", com_stype, FALSE, FALSE, FALSE,
       { 0200000, 040000, 040000, 040000 }, E_DEFHMASK, 2, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "type vec ... : Change the type of a vector." } ,
     { "strcmp", com_strcmp, FALSE, FALSE, FALSE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 3, 3,
-      (void (*)()) NULL,
+      NULL,
       "varname s1 s2 : Set $varname to strcmp(s1, s2)." } ,
     { "linearize", com_linearize, FALSE, TRUE, FALSE,
       { 040000, 040000, 040000, 040000 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       " [ vec ... ] : Convert plot into one with linear scale." } ,
     { 0, NULL, FALSE, FALSE, FALSE, { 0, 0, 0, 0 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       NULL }
 };
 
@@ -521,7 +521,7 @@ struct comm nutcp_coms[] = {
       "vector ... [ shape ] : change the dimensions of a vector." } ,
     { "define", com_define, FALSE, FALSE, TRUE,
       { 010000, 040000, 040000, 040000 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[[func (args)] stuff] : Define a user-definable function." } ,
     { "set", com_set, FALSE, FALSE, TRUE,
       { 020000, 020000, 020000, 020000 }, E_DEFHMASK, 0, LOTS,
@@ -538,11 +538,11 @@ struct comm nutcp_coms[] = {
      
     { "alias", com_alias, FALSE, FALSE, FALSE,
       { 02, 04, 04, 04 }, E_ADVANCED, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[[word] alias] : Define an alias." } ,
     { "deftype", com_dftype, FALSE, FALSE, FALSE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 3, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "spec name pat ... : Redefine vector and plot types.\n" } ,
     { "plot", com_plot, FALSE, FALSE, TRUE,
       { 041000, 041000, 041000, 041000 }, E_BEGINNING | E_HASPLOTS, 1, LOTS,
@@ -554,55 +554,55 @@ struct comm nutcp_coms[] = {
       ": Display vector status." } ,
     { "destroy", com_destroy, FALSE, FALSE, FALSE,
       { 0400, 0400, 0400, 0400 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[plotname] ... : Throw away all the data in the plot." } ,
     { "setplot", com_splot, FALSE, FALSE, TRUE,
       { 0400, 0, 0, 0 }, E_DEFHMASK, 0, 1,
-      (void (*)()) NULL,
+      NULL,
       "[plotname] : Change the current working plot." } ,
     { "setcirc", com_scirc, FALSE, TRUE, FALSE,
       { 04, 0, 0, 0 }, E_DEFHMASK, 0, 1,
-      (void (*)()) NULL,
+      NULL,
       "[circuit name] : Change the current circuit." } ,
     { "setscale", com_setscale, FALSE, FALSE, FALSE,
       { 040000, 0, 0, 0 }, E_DEFHMASK, 0, 1,
-      (void (*)()) NULL,
+      NULL,
       "[vecname] : Change default scale of current working plot." } ,
     { "transpose", com_transpose, FALSE, FALSE, FALSE,
       { 040000, 040000, 040000, 040000 }, E_DEFHMASK, 1, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "varname ... : Perform matrix transposition on multi-D vectors." } ,
     { "xgraph", com_xgraph, FALSE, FALSE, TRUE,
       { 1, 041000, 041000, 041000 }, E_DEFHMASK, 1, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "file plotargs : Send plot to Xgraph-11." } ,
     { "gnuplot", com_gnuplot, FALSE, FALSE, TRUE,
       { 1, 041000, 041000, 041000 }, E_DEFHMASK, 2, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "file plotargs : Send plot to gnuplot." } ,
     { "wrdata", com_write_simple, FALSE, FALSE, TRUE,
       { 1, 041000, 041000, 041000 }, E_DEFHMASK, 2, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "file plotargs : Send plot data to file." } ,
     { "hardcopy", com_hardcopy, FALSE, FALSE, TRUE,
       { 1, 041000, 041000, 041000 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "file plotargs : Produce hardcopy plots." } ,
     { "asciiplot", com_asciiplot, FALSE, FALSE, TRUE,
       { 041000, 041000, 041000, 041000 }, E_DEFHMASK, 1, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "plotargs : Produce ascii plots." } ,
     { "write", com_write, FALSE, FALSE, TRUE,
       { 1, 040000, 040000, 040000 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "file expr ... : Write data to a file." } ,
     { "compose", com_compose, FALSE, FALSE, FALSE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 2, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "var parm=val ... : Compose a vector." } ,
     { "unlet", com_unlet, FALSE, FALSE, FALSE,
       { 040000, 040000, 040000, 040000 }, E_DEFHMASK, 1, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "varname ... : Undefine vectors." } ,
     { "print", com_print, FALSE, FALSE, TRUE,
       { 040000, 040000, 040000, 040000 }, E_BEGINNING, 1, LOTS,
@@ -614,256 +614,256 @@ struct comm nutcp_coms[] = {
       "file ... : Load in data." } ,
     { "cross", com_cross, FALSE, FALSE, TRUE,
       { 040000, 0, 040000, 040000 }, E_DEFHMASK, 2, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "vecname number [ vector ... ] : Make a vector in a strange way." } ,
     { "undefine", com_undefine, FALSE, FALSE, FALSE,
       { 010000, 010000, 010000, 010000 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[func ...] : Undefine a user-definable function." } ,
     { "op", NULL, FALSE, TRUE, TRUE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[.op line args] : Determine the operating point of the circuit." } ,
     { "tran", NULL, FALSE, TRUE, TRUE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[.tran line args] : Do a transient analysis." } ,
     { "ac", NULL, FALSE, TRUE, TRUE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[.ac line args] : Do an ac analysis." } ,
     { "dc", NULL, FALSE, TRUE, TRUE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[.dc line args] : Do a dc analysis." } ,
     { "pz", NULL, FALSE, TRUE, FALSE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[.pz line args] : Do a pole / zero analysis." } ,
     { "sens", NULL, FALSE, TRUE, TRUE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[.ac line args] : Do a sensitivity analysis." } ,
     { "disto", NULL, FALSE, TRUE, FALSE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[.disto line args] : Do an distortion analysis." } ,
     { "noise", NULL, FALSE, TRUE, TRUE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[.noise line args] : Do a noise analysis." } ,
     { "listing", NULL, FALSE, TRUE, TRUE,
       { 0100, 0100, 0100, 0100 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[logical] [physical] [deck] : Print the current circuit." } ,
     { "edit", NULL, FALSE, TRUE, TRUE,
       { 1, 0, 0, 0 }, E_DEFHMASK, 0, 1,
-      (void (*)()) NULL,
+      NULL,
       "[filename] : Edit a spice deck and then load it in." } ,
     { "dump", NULL, FALSE, TRUE, FALSE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, 0,
-      (void (*)()) NULL,
+      NULL,
       ": Print a dump of the current circuit." } ,
     { "fourier", com_fourier, FALSE, FALSE, TRUE,
       { 0, 040000, 040000, 040000 }, E_DEFHMASK, 1, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "fund_freq vector ... : Do a fourier analysis of some data." } ,
     { "show", NULL, FALSE, TRUE, FALSE,
       { 040, 040, 040, 040 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "devspecs ... : parmspecs ... : Print out device parameters." } ,
     { "alter", NULL, FALSE, TRUE, FALSE,
       { 040, 040, 040, 040 }, E_DEFHMASK, 3, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "devspecs : parmname value : Alter device parameters." } ,
     { "altermod", NULL, FALSE, TRUE, FALSE,
       { 040, 040, 040, 040 }, E_DEFHMASK, 3, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "devspecs : parmname value : Alter model parameters." } ,
     { "resume", NULL, FALSE, TRUE, FALSE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, 0,
-      (void (*)()) NULL,
+      NULL,
       ": Continue after a stop." } ,
     { "state", NULL, FALSE, TRUE, FALSE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "(unimplemented) : Print the state of the circuit." },
     { "stop", NULL, FALSE, TRUE, FALSE,
       { 04200, 04200, 04200, 04200 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[stop args] : Set a breakpoint." } ,
     { "trace", NULL, FALSE, TRUE, FALSE,
       { 0200, 0200, 0200, 0200 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[all] [node ...] : Trace a node." } ,
     { "save", NULL, FALSE, TRUE, FALSE,
       { 0200, 0200, 0200, 0200 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[all] [node ...] : Save a spice output." } ,
     { "iplot", NULL, FALSE, TRUE, TRUE,
       { 0200, 0200, 0200, 0200 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[all] [node ...] : Incrementally plot a node." } ,
     { "status", NULL, FALSE, TRUE, FALSE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, 0,
-      (void (*)()) NULL,
+      NULL,
       ": Print the current breakpoints and traces." } ,
     { "delete", NULL, FALSE, TRUE, FALSE,
       { 020, 020, 020, 020 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[all] [break number ...] : Delete breakpoints and traces." } ,
     { "step", NULL, FALSE, TRUE, FALSE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, 1,
-      (void (*)()) NULL,
+      NULL,
       "[number] : Iterate number times, or one." } ,
     { "reset", NULL, FALSE, TRUE, TRUE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, 0,
-      (void (*)()) NULL,
+      NULL,
       ": Terminate a simulation after a breakpoint (formerly 'end')." } ,
     { "run", NULL, FALSE, TRUE, TRUE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, 1,
-      (void (*)()) NULL,
+      NULL,
       "[rawfile] : Run the simulation as specified in the input file." } ,
     { "bug", com_bug, FALSE, FALSE, TRUE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, 0,
-      (void (*)()) NULL,
+      NULL,
       ": Report a %s bug." } ,
     { "newhelp", com_ahelp, FALSE, FALSE, TRUE,
       { 010, 010, 010, 010 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[command name] ... : help." },
     { "tutorial", com_ghelp, FALSE, FALSE, TRUE,
       { 023010, 023010, 023010, 023010 }, E_BEGINNING, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[subject] ... : Hierarchical documentation browser." } ,
     { "help", com_ghelp, FALSE, FALSE, TRUE,
       { 023010, 023010, 023010, 023010 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[subject] ... : Hierarchical documentation browser." } ,
     { "oldhelp", com_help, FALSE, FALSE, TRUE,
       { 010, 010, 010, 010 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[command name] ... : Print help." } ,
     { "quit", com_quit, FALSE, FALSE, TRUE,
       { 0, 0, 0, 0 }, E_BEGINNING, 0, 1,
-      (void (*)()) NULL,
+      NULL,
       ": Quit %s." } ,
       /* to remove circuits loaded */
     { "removecirc", com_removecirc, FALSE, TRUE, FALSE,
       { 04, 0, 0, 0 }, E_DEFHMASK, 0, 1,
-      (void (*)()) NULL,
+      NULL,
       "[circuit name] : Remove the current circuit from memory." } ,
     { "source", nutcom_source, FALSE, FALSE, TRUE,
       { 1, 1, 1, 1 }, E_DEFHMASK, 1, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "file : Source a %s file." } ,
     { "shift", com_shift, FALSE, FALSE, FALSE,
       { 020000, 0, 0, 0 }, E_DEFHMASK, 0, 2,
-      (void (*)()) NULL,
+      NULL,
       "[var] [number] : Shift argv or the named list var to the left." } ,
     { "unset", com_unset, FALSE, FALSE, FALSE,
       { 020000, 020000, 020000, 020000 }, E_DEFHMASK, 1, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "varname ... : Unset a variable." } ,
     { "unalias", com_unalias, FALSE, FALSE, FALSE,
       { 02, 02, 02, 02 }, E_DEFHMASK, 1, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "word ... : Undefine an alias." } ,
     { "history", com_history, FALSE, FALSE, FALSE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, 2,
-      (void (*)()) NULL,
+      NULL,
       "[-r] [number] : Print command history." } ,
     { "echo", com_echo, FALSE, FALSE, FALSE,
       { 1, 1, 1, 1 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[stuff ...] : Print stuff." } ,
     { "shell", com_shell, FALSE, FALSE, TRUE,
       { 1, 1, 1, 1 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[args] : Fork a shell, or execute the command." } ,
     { "rusage", com_rusage, FALSE, FALSE, FALSE,
       { 02000, 02000, 02000, 02000 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[resource ...] : Print current resource usage." } ,
     { "cd", com_chdir, FALSE, FALSE, FALSE,
       { 1, 0, 0, 0 }, E_DEFHMASK, 0, 1,
-      (void (*)()) NULL,
+      NULL,
       "[directory] : Change working directory." } ,
     { "version", com_version, FALSE, FALSE, FALSE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "[number] : Print the version number." } ,
     { "diff", com_diff, FALSE, FALSE, FALSE,
       { 0400, 0400, 040000, 040000 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "plotname plotname [vec ...] : 'diff' two plots." } ,
     { "rehash", com_rehash, FALSE, FALSE, FALSE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, 0,
-      (void (*)()) NULL,
+      NULL,
       ": Rebuild the unix command database." } ,
     { "while", NULL, FALSE, FALSE, FALSE,
       { 040000, 040000, 040000, 040000 }, E_DEFHMASK, 1, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "condition : Execute while the condition is TRUE." } ,
     { "repeat", NULL, FALSE, FALSE, FALSE,
       { 0, 0, 0, 0}, E_DEFHMASK, 0, 1,
-      (void (*)()) NULL,
+      NULL,
       "[number] : Repeat number times, or forever." } ,
     { "dowhile", NULL, FALSE, FALSE, FALSE,
       { 040000, 040000, 040000, 040000 }, E_DEFHMASK, 1, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "condition : Execute while the condition is TRUE." } ,
     { "foreach", NULL, FALSE, FALSE, FALSE,
       { 0, 040000, 040000, 040000 }, E_DEFHMASK, 2, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "variable value ... : Do once for each value." } ,
     { "if", NULL, FALSE, FALSE, FALSE,
       { 040000, 040000, 040000, 040000 }, E_DEFHMASK, 1, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "condition : Execute if the condition is TRUE." } ,
     { "else", NULL, FALSE, FALSE, FALSE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, 0,
-      (void (*)()) NULL,
+      NULL,
       ": Goes with if." } ,
     { "end", NULL, FALSE, FALSE, FALSE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, 0,
-      (void (*)()) NULL,
+      NULL,
       ": End a block." } ,
     { "break", NULL, FALSE, FALSE, FALSE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, 0,
-      (void (*)()) NULL,
+      NULL,
       ": Break out of a block." } ,
     { "continue", NULL, FALSE, FALSE, FALSE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, 0,
-      (void (*)()) NULL,
+      NULL,
       ": Continue a loop." } ,
     { "label", NULL, FALSE, FALSE, FALSE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 1, 1,
-      (void (*)()) NULL,
+      NULL,
       "word : Create someplace to go to." } ,
     { "goto", NULL, FALSE, FALSE, FALSE,
       { 0100000, 0, 0, 0 }, E_DEFHMASK, 1, 1,
-      (void (*)()) NULL,
+      NULL,
       "word : Go to a label." } ,
     { "cdump", com_cdump, FALSE, FALSE, FALSE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 0, 0,
-      (void (*)()) NULL,
+      NULL,
       ": Dump the current control structures." } ,
     { "settype", com_stype, FALSE, FALSE, FALSE,
       { 0200000, 040000, 040000, 040000 }, E_DEFHMASK, 2, LOTS,
-      (void (*)()) NULL,
+      NULL,
       "type vec ... : Change the type of a vector." } ,
     { "strcmp", com_strcmp, FALSE, FALSE, FALSE,
       { 0, 0, 0, 0 }, E_DEFHMASK, 3, 3,
-      (void (*)()) NULL,
+      NULL,
       "varname s1 s2 : Set $varname to strcmp(s1, s2)." } ,
     { "linearize", NULL, FALSE, TRUE, FALSE,
       { 040000, 040000, 040000, 040000 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       " [ vec ... ] : Convert plot into one with linear scale." } ,
 
     { 0, NULL, FALSE, FALSE, FALSE, { 0, 0, 0, 0 }, E_DEFHMASK, 0, LOTS,
-      (void (*)()) NULL,
+      NULL,
       NULL }
 
 } ;