diff --git a/ChangeLog b/ChangeLog
index 4950687b4..260c1e617 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,73 @@
+2010-10-16  Robert Larice
+ * src/frontend/aspice.h ,
+ * src/frontend/breakp.h ,
+ * src/frontend/breakp2.h ,
+ * src/frontend/circuits.h ,
+ * src/frontend/com_alias.h ,
+ * src/frontend/com_history.h ,
+ * src/frontend/control.h ,
+ * src/frontend/cpitf.h ,
+ * src/frontend/define.h ,
+ * src/frontend/dotcards.h ,
+ * src/frontend/error.h ,
+ * src/frontend/evaluate.h ,
+ * src/frontend/gens.h ,
+ * src/frontend/inp.h ,
+ * src/frontend/inpcom.h ,
+ * src/frontend/interp.h ,
+ * src/frontend/nutinp.h ,
+ * src/frontend/nutmegif.h ,
+ * src/frontend/options.h ,
+ * src/frontend/parse.h ,
+ * src/frontend/parser/backq.h ,
+ * src/frontend/parser/complete.h ,
+ * src/frontend/parser/cshpar.h ,
+ * src/frontend/parser/glob.h ,
+ * src/frontend/parser/input.h ,
+ * src/frontend/parser/lexical.h ,
+ * src/frontend/parser/numparse.h ,
+ * src/frontend/parser/unixcom.h ,
+ * src/frontend/plotting/clip.h ,
+ * src/frontend/plotting/plotcurv.h ,
+ * src/frontend/plotting/plotting.h ,
+ * src/frontend/points.h ,
+ * src/frontend/quote.h ,
+ * src/frontend/rawfile.h ,
+ * src/frontend/resource.h ,
+ * src/frontend/runcoms.h ,
+ * src/frontend/shyu.h ,
+ * src/frontend/spiceif.h ,
+ * src/frontend/terminal.h ,
+ * src/frontend/typesdef.h ,
+ * src/frontend/variable.h ,
+ * src/frontend/vectors.h ,
+ * src/include/cpextern.h ,
+ * src/include/cpstd.h ,
+ * src/include/fteext.h ,
+ * src/include/hlpdefs.h ,
+ * src/include/opdefs.h ,
+ * src/include/tfdefs.h ,
+ * src/include/trandefs.h ,
+ * src/maths/ni/niaciter.h ,
+ * src/maths/ni/nicomcof.h ,
+ * src/maths/ni/niconv.h ,
+ * src/maths/ni/nidest.h ,
+ * src/maths/ni/niditer.h ,
+ * src/maths/ni/niinit.h ,
+ * src/maths/ni/niinteg.h ,
+ * src/maths/ni/niiter.h ,
+ * src/maths/ni/niniter.h ,
+ * src/maths/ni/nipzmeth.h ,
+ * src/maths/ni/nireinit.h ,
+ * src/maths/ni/nisenre.h ,
+ * src/spicelib/devices/bjt/bjtdset.h ,
+ * src/spicelib/devices/bjt2/bjt2dset.h ,
+ * src/spicelib/devices/cktaccept.h ,
+ * src/spicelib/parser/inppas1.h ,
+ * src/spicelib/parser/inppas2.h ,
+ * src/spicelib/parser/inppas3.h :
+    remove prototypes, avoid redeclarations
+
 2010-10-16  Robert Larice
  * src/frontend/inp.c ,
  * src/frontend/nutinp.c ,
diff --git a/src/frontend/aspice.h b/src/frontend/aspice.h
index 89331ae5f..02f5e3ab7 100644
--- a/src/frontend/aspice.h
+++ b/src/frontend/aspice.h
@@ -9,7 +9,6 @@
 
 void com_aspice(wordlist *wl);
 void com_jobs(wordlist *wl);
-void ft_checkkids(void);
 void com_rspice(wordlist *wl);
 
 
diff --git a/src/frontend/breakp.h b/src/frontend/breakp.h
index beda7cab3..919132ed6 100644
--- a/src/frontend/breakp.h
+++ b/src/frontend/breakp.h
@@ -11,9 +11,7 @@ void com_trce(wordlist *wl);
 void com_iplot(wordlist *wl);
 void com_step(wordlist *wl);
 void com_sttus(wordlist *wl);
-void dbfree(struct dbcomm *db);
 void com_delete(wordlist *wl);
-bool ft_bpcheck(struct plot *runplot, int iteration);
 void ft_trquery(void);
 
 
diff --git a/src/frontend/breakp2.h b/src/frontend/breakp2.h
index 78da54092..35c68c4ad 100644
--- a/src/frontend/breakp2.h
+++ b/src/frontend/breakp2.h
@@ -11,7 +11,6 @@
 void com_save(wordlist *wl);
 void com_save2(wordlist *wl, char *name);
 void settrace(wordlist *wl, int what, char *name);
-int ft_getSaves(struct save_info **savesp);
 
 extern struct dbcomm *dbs;
 extern int debugnumber;
diff --git a/src/frontend/circuits.h b/src/frontend/circuits.h
index cbfb8bdbd..64fd622e4 100644
--- a/src/frontend/circuits.h
+++ b/src/frontend/circuits.h
@@ -13,10 +13,8 @@ struct subcirc {
 } ;
 
 
-extern struct circ *ft_curckt;  /* The default active circuit. */
 
 
-void ft_newcirc(struct circ *ckt);
 
 
 #endif
diff --git a/src/frontend/com_alias.h b/src/frontend/com_alias.h
index 2861fc69a..dd4e0d064 100644
--- a/src/frontend/com_alias.h
+++ b/src/frontend/com_alias.h
@@ -6,10 +6,6 @@
 #ifndef ALIAS_H_INCLUDED
 #define ALIAS_H_INCLUDED
 
-wordlist * cp_doalias(wordlist *wlist);
-void cp_setalias(char *word, wordlist *wlist);
-void cp_unalias(char *word);
-void cp_paliases(char *word);
 void com_alias(wordlist *wl);
 void com_unalias(wordlist *wl);
 
diff --git a/src/frontend/com_history.h b/src/frontend/com_history.h
index 7b83b1272..2f9ce4994 100644
--- a/src/frontend/com_history.h
+++ b/src/frontend/com_history.h
@@ -6,9 +6,6 @@
 #ifndef _COM_HISTORY_H
 #define _COM_HISTORY_H
 
-wordlist * cp_histsubst(wordlist *wlist);
-void cp_addhistent(int event, wordlist *wlist);
-void cp_hprint(int eventhi, int eventlo, bool rev);
 void com_history(wordlist *wl);
 
 
diff --git a/src/frontend/control.h b/src/frontend/control.h
index 1b6c99317..3e5e281a3 100644
--- a/src/frontend/control.h
+++ b/src/frontend/control.h
@@ -48,6 +48,5 @@ enum co_command {
 extern struct control *control[CONTROLSTACKSIZE];
 extern struct control *cend[CONTROLSTACKSIZE];
 extern int stackp;
-extern bool cp_dounixcom;
 
 #endif /* CONTROL_H */
diff --git a/src/frontend/cpitf.h b/src/frontend/cpitf.h
index 32857b028..e1cb33289 100644
--- a/src/frontend/cpitf.h
+++ b/src/frontend/cpitf.h
@@ -6,11 +6,6 @@
 #ifndef CPITF_H_INCLUDED
 #define CPITF_H_INCLUDED
 
-void ft_cpinit(void);
-bool cp_istrue(wordlist *wl);
-void cp_periodic(void);
-void cp_doquit(void);
-bool cp_oddcomm(char *s, wordlist *wl);
 
 
 #endif
diff --git a/src/frontend/define.h b/src/frontend/define.h
index c9890333f..0fb8f75ff 100644
--- a/src/frontend/define.h
+++ b/src/frontend/define.h
@@ -7,7 +7,6 @@
 #define DEFINE_H_INCLUDED
 
 void com_define(wordlist *wlist);
-struct pnode * ft_substdef(const char *name, struct pnode *args);
 void com_undefine(wordlist *wlist);
 
 
diff --git a/src/frontend/dotcards.h b/src/frontend/dotcards.h
index f25dbe5f6..89751efb8 100644
--- a/src/frontend/dotcards.h
+++ b/src/frontend/dotcards.h
@@ -6,9 +6,6 @@
 #ifndef DOTCARDS_H_INCLUDED
 #define DOTCARDS_H_INCLUDED
 
-void ft_dotsaves(void);
-int ft_savedotargs(void);
-int ft_cktcoms(bool terse);
 wordlist *gettoks(char *s);
 
 
diff --git a/src/frontend/error.h b/src/frontend/error.h
index 3bb6c8d02..4d7ad9d5d 100644
--- a/src/frontend/error.h
+++ b/src/frontend/error.h
@@ -7,8 +7,5 @@
 #define ERROR_H_INCLUDED
 
 void controlled_exit(int status);
-void fperror(char *mess, int code);
-void ft_sperror(int code, char *mess);
-void fatal(void);
 
 #endif
diff --git a/src/frontend/evaluate.h b/src/frontend/evaluate.h
index 950389ca8..b27fdc395 100644
--- a/src/frontend/evaluate.h
+++ b/src/frontend/evaluate.h
@@ -9,7 +9,6 @@
 #include <dvec.h>
 #include <pnode.h>
 
-struct dvec * ft_evaluate(struct pnode *node);
 struct dvec * op_plus(struct pnode *arg1, struct pnode *arg2);
 struct dvec * op_minus(struct pnode *arg1, struct pnode *arg2);
 struct dvec * op_comma(struct pnode *arg1, struct pnode *arg2);
diff --git a/src/frontend/gens.h b/src/frontend/gens.h
index 1f53b2002..daafa8c84 100644
--- a/src/frontend/gens.h
+++ b/src/frontend/gens.h
@@ -9,7 +9,6 @@
 #include "dgen.h"
 
 void wl_forall(wordlist *wl, void (*fn)(wordlist*, dgen*), dgen *data);
-dgen * dgen_init(GENcircuit *ckt, wordlist *wl, int nomix, int flag, int model);
 int dgen_for_n(dgen *dg, int n, int (*fn) (dgen*, IFparm*, int), IFparm *data, int subindex);
 void dgen_nth_next(dgen **dg, int n);
 
diff --git a/src/frontend/inp.h b/src/frontend/inp.h
index 1ec0dfa84..717a43789 100644
--- a/src/frontend/inp.h
+++ b/src/frontend/inp.h
@@ -7,13 +7,8 @@
 #define INP_H_INCLUDED
 
 void com_listing(wordlist *wl);
-void inp_list(FILE *file, struct line *deck, struct line *extras, int type);
-void inp_spsource(FILE *fp, bool comfile, char *filename);
-void inp_dodeck(struct line *deck, char *tt, wordlist *end, bool reuse, 
-		struct line *options, char *filename);
 void com_edit(wordlist *wl);
 void com_source(wordlist *wl);
-void inp_source(char *file);
 
 
 #endif
diff --git a/src/frontend/inpcom.h b/src/frontend/inpcom.h
index fdfd923b5..f097b226a 100644
--- a/src/frontend/inpcom.h
+++ b/src/frontend/inpcom.h
@@ -6,8 +6,5 @@
 #ifndef INPCOM_H_INCLUDED
 #define INPCOM_H_INCLUDED
 
-FILE * inp_pathopen(char *name, char *mode);
-void inp_readall(FILE *fp, struct line **data, int, char *dirname, bool comfile);
-void inp_casefix(register char *string);
 
 #endif
diff --git a/src/frontend/interp.h b/src/frontend/interp.h
index 248357f0a..4c6fe04ab 100644
--- a/src/frontend/interp.h
+++ b/src/frontend/interp.h
@@ -6,12 +6,7 @@
 #ifndef INTERP_H_INCLUDED
 #define INTERP_H_INCLUDED
 
-bool ft_interpolate(double *data, double *ndata, double *oscale, int olen, double *nscale, 
-		    int nlen, int degree);
-bool ft_polyfit(double *xdata, double *ydata, double *result, int degree, double *scratch);
-double ft_peval(double x, double *coeffs, int degree);
 void lincopy(struct dvec *ov, double *newscale, int newlen, struct dvec *oldscale);
-void ft_polyderiv(double *coeffs, int degree);
 
 
 #endif
diff --git a/src/frontend/nutinp.h b/src/frontend/nutinp.h
index a04e73cbf..699a998df 100644
--- a/src/frontend/nutinp.h
+++ b/src/frontend/nutinp.h
@@ -6,11 +6,7 @@
 #ifndef NUTINP_H_INCLUDED
 #define NUTINP_H_INCLUDED
 
-void inp_nutsource(FILE *fp, bool comfile, char *filename);
-void nutcom_source(wordlist *wl);
 void nutinp_source(char *file);
-void nutinp_dodeck(struct line *deck, char *tt, wordlist *end, bool reuse, 
-		   struct line *options, char *filename);
 
 
 
diff --git a/src/frontend/nutmegif.h b/src/frontend/nutmegif.h
index c78e8ed7b..c6f6a7aa3 100644
--- a/src/frontend/nutmegif.h
+++ b/src/frontend/nutmegif.h
@@ -6,7 +6,6 @@
 #ifndef NUTMEGIF_H_INCLUDED
 #define NUTMEGIF_H_INCLUDED
 
-struct variable * nutif_getparam(CKTcircuit *ckt, char **name, char *param, int ind, int do_model);
 
 
 #endif
diff --git a/src/frontend/options.h b/src/frontend/options.h
index 53c39dbf3..ce9a4ee5e 100644
--- a/src/frontend/options.h
+++ b/src/frontend/options.h
@@ -6,10 +6,6 @@
 #ifndef OPTIONS_H_INCLUDED
 #define OPTIONS_H_INCLUDED
 
-struct variable * cp_enqvar(char *word);
-void cp_usrvars(struct variable **v1, struct variable **v2);
-struct line * inp_getopts(struct line *deck);
-int cp_usrset(struct variable *var, bool isset);
 
 
 #endif
diff --git a/src/frontend/parse.h b/src/frontend/parse.h
index 17e1b33c2..1cceebb35 100644
--- a/src/frontend/parse.h
+++ b/src/frontend/parse.h
@@ -10,11 +10,9 @@
 #include <pnode.h>
 #include <wordlist.h>
 
-struct pnode * ft_getpnames(wordlist *wl, bool check);
 #ifndef free_pnode
 #define free_pnode(ptr)  free_pnode_x(ptr); ptr=NULL;
 #endif
-void free_pnode_x(struct pnode *t);
 
 void free_pnode_o(struct pnode *t);
 
diff --git a/src/frontend/parser/backq.h b/src/frontend/parser/backq.h
index 3d42e19db..13d8a8f87 100644
--- a/src/frontend/parser/backq.h
+++ b/src/frontend/parser/backq.h
@@ -7,8 +7,6 @@
 #ifndef BACKQ_H_INCLUDED
 #define BACKQ_H_INCLUDED
 
-extern char cp_back;
 
-wordlist * cp_bquote(wordlist *wlist);
 
 #endif
diff --git a/src/frontend/parser/complete.h b/src/frontend/parser/complete.h
index 1399d0e39..1bd6da4e0 100644
--- a/src/frontend/parser/complete.h
+++ b/src/frontend/parser/complete.h
@@ -28,17 +28,6 @@ struct ccom {
 } ;
 
 
-void cp_ccom(wordlist *wlist, char *buf, bool esc);
-wordlist * cp_cctowl(char *stuff);
-void cp_ccon(bool on);
-bool cp_comlook(char *word);
-void cp_addcomm(char *word, long int bits0, long int bits1, long int bits2, 
-		long int bits3);
-void cp_remcomm(char *word);
-void cp_addkword(int class, char *word);
-void cp_remkword(int class, char *word);
-char * cp_kwswitch(int class, char *tree);
-void cp_ccrestart(bool kwords);
 void throwaway(struct ccom *dbase);
 
 
diff --git a/src/frontend/parser/cshpar.h b/src/frontend/parser/cshpar.h
index b48d288b3..cd430a04c 100644
--- a/src/frontend/parser/cshpar.h
+++ b/src/frontend/parser/cshpar.h
@@ -7,6 +7,5 @@
 #ifndef CSHPAR_H_INCLUDED
 #define CSHPAR_H_INCLUDED
 
-wordlist * cp_parse(char *string);
 
 #endif
diff --git a/src/frontend/parser/glob.h b/src/frontend/parser/glob.h
index 01f73ce66..13c30ede2 100644
--- a/src/frontend/parser/glob.h
+++ b/src/frontend/parser/glob.h
@@ -6,9 +6,6 @@
 #ifndef GLOB_H_INCLUDED
 #define GLOB_H_INCLUDED
 
-wordlist * cp_doglob(wordlist *wlist);
-char * cp_tildexpand(char *string);
-bool cp_globmatch(char *p, char *s);
 
 
 #endif
diff --git a/src/frontend/parser/input.h b/src/frontend/parser/input.h
index c5e9df378..cc77ce219 100644
--- a/src/frontend/parser/input.h
+++ b/src/frontend/parser/input.h
@@ -7,7 +7,6 @@
 #define INPUT_H_INCLUDED
 
 
-int inchar(FILE *fp);
 int input(FILE *fp);
 
 
diff --git a/src/frontend/parser/lexical.h b/src/frontend/parser/lexical.h
index cf08fbee9..c86de872c 100644
--- a/src/frontend/parser/lexical.h
+++ b/src/frontend/parser/lexical.h
@@ -7,8 +7,6 @@
 #define LEXICAL_H_INCLUDED
 
 
-wordlist * cp_lexer(char *string);
-int inchar(FILE *fp);
 int input(FILE *fp);
 
 
diff --git a/src/frontend/parser/numparse.h b/src/frontend/parser/numparse.h
index 44fd91fbc..a69b24703 100644
--- a/src/frontend/parser/numparse.h
+++ b/src/frontend/parser/numparse.h
@@ -7,7 +7,6 @@
 #define NUMPARSE_H_INCLUDED
 
 
-double * ft_numparse(char **s, bool whole);
 
 
 
diff --git a/src/frontend/parser/unixcom.h b/src/frontend/parser/unixcom.h
index 64b15c02d..734df53f4 100644
--- a/src/frontend/parser/unixcom.h
+++ b/src/frontend/parser/unixcom.h
@@ -7,9 +7,6 @@
 #define UNIXCOM_H_INCLUDED
 
 
-void cp_rehash(char *pathlist, bool docc);
-bool cp_unixcom(wordlist *wl);
-void cp_hstat(void);
 
 
 
diff --git a/src/frontend/plotting/clip.h b/src/frontend/plotting/clip.h
index 24fb3abbe..d6a9fc13e 100644
--- a/src/frontend/plotting/clip.h
+++ b/src/frontend/plotting/clip.h
@@ -7,7 +7,5 @@
 #define CLIP_H_INCLUDED
 
 
-bool clip_line(int *pX1, int *pY1, int *pX2, int *pY2, int l, int b, int r, int t);
-bool clip_to_circle(int *x1, int *y1, int *x2, int *y2, int cx, int cy, int rad);
 
 #endif
diff --git a/src/frontend/plotting/plotcurv.h b/src/frontend/plotting/plotcurv.h
index 5f466cc6d..b85c78093 100644
--- a/src/frontend/plotting/plotcurv.h
+++ b/src/frontend/plotting/plotcurv.h
@@ -6,7 +6,6 @@
 #ifndef PLOTCURV_H_INCLUDED
 #define PLOTCURV_H_INCLUDED
 
-void ft_graf(struct dvec *v, struct dvec *xs, bool nostart);
 
 
 #endif
diff --git a/src/frontend/plotting/plotting.h b/src/frontend/plotting/plotting.h
index 9c741d53b..a3c0b2578 100644
--- a/src/frontend/plotting/plotting.h
+++ b/src/frontend/plotting/plotting.h
@@ -4,8 +4,5 @@
 #include <plot.h>
 
 extern struct plot constantplot;
-extern struct plot *plot_list;
-extern int plotl_changed;
-extern int plot_num;
 
 #endif
diff --git a/src/frontend/points.h b/src/frontend/points.h
index 74b9c268d..f26485ca8 100644
--- a/src/frontend/points.h
+++ b/src/frontend/points.h
@@ -6,8 +6,6 @@
 #ifndef POINTS_H_INCLUDED
 #define POINTS_H_INCLUDED
 
-double * ft_minmax(struct dvec *v, bool real);
-int ft_findpoint(double pt, double *lims, int maxp, int minp, bool islog);
 double * ft_SMITHminmax(struct dvec *v, bool yval);
 int SMITH_tfm(double re, double im, double *x, double *y);
 
diff --git a/src/frontend/quote.h b/src/frontend/quote.h
index 5a9b659cc..214bb99d3 100644
--- a/src/frontend/quote.h
+++ b/src/frontend/quote.h
@@ -7,11 +7,6 @@
 #define QUOTE_H_INCLUDED
 
 
-void cp_wstrip(char *str);
-void cp_quoteword(char *str);
-void cp_printword(char *string, FILE *fp);
-void cp_striplist(wordlist *wlist);
-char * cp_unquote(char *string);
 
 
 #endif
diff --git a/src/frontend/rawfile.h b/src/frontend/rawfile.h
index b8e2c34cc..2e3dca4a9 100644
--- a/src/frontend/rawfile.h
+++ b/src/frontend/rawfile.h
@@ -6,9 +6,6 @@
 #ifndef RAWFILE_H_INCLUDED
 #define RAWFILE_H_INCLUDED
 
-void raw_write(char *name, struct plot *pl, bool app, bool binary);
-void spar_write(char *name, struct plot *pl, double val);
-struct plot * raw_read(char *name);
 
 
 
diff --git a/src/frontend/resource.h b/src/frontend/resource.h
index 1bd880003..0b0c22fc5 100644
--- a/src/frontend/resource.h
+++ b/src/frontend/resource.h
@@ -9,7 +9,6 @@
 void init_rlimits(void);
 void init_time(void);
 void com_rusage(wordlist *wl);
-void ft_ckspace(void);
 
 
 struct proc_mem {
diff --git a/src/frontend/runcoms.h b/src/frontend/runcoms.h
index 96529a14f..5dab2771b 100644
--- a/src/frontend/runcoms.h
+++ b/src/frontend/runcoms.h
@@ -18,8 +18,6 @@ void com_sens(wordlist *wl);
 void com_disto(wordlist *wl);
 void com_noise(wordlist *wl);
 void com_run(wordlist *wl);
-int ft_dorun(char *file);
-bool ft_getOutReq(FILE **fpp, struct plot **plotp, bool *binp, char *name, char *title);
 
 extern FILE *rawfileFp;
 extern bool rawfileBinary;
diff --git a/src/frontend/shyu.h b/src/frontend/shyu.h
index 0fc477a31..32b69794b 100644
--- a/src/frontend/shyu.h
+++ b/src/frontend/shyu.h
@@ -6,7 +6,6 @@
 #ifndef SHYU_H_INCLUDED
 #define SHYU_H_INCLUDED
 
-int if_sens_run(CKTcircuit *t, wordlist *args, INPtables *tab);
 
 
 #endif
diff --git a/src/frontend/spiceif.h b/src/frontend/spiceif.h
index 322a8a12e..2a9b1bd9a 100644
--- a/src/frontend/spiceif.h
+++ b/src/frontend/spiceif.h
@@ -12,14 +12,7 @@ int if_run(CKTcircuit *t, char *what, wordlist *args, INPtables *tab);
 int if_option(CKTcircuit *ckt, char *name, enum cp_types type, void *value);
 void if_dump(CKTcircuit *ckt, FILE *file);
 void if_cktfree(CKTcircuit *ckt, INPtables *tab);
-char * if_errstring(int code);
-struct variable * spif_getparam(CKTcircuit *ckt, char **name, char *param, int ind, int do_model);
-struct variable * spif_getparam_special(CKTcircuit *ckt,char **name,char *param,int ind,int do_model);
-void if_setparam_model(CKTcircuit *ckt, char **name, char *val);
-void if_setparam(CKTcircuit *ckt, char **name, char *param, struct dvec *val, int do_model);
 int  if_analQbyName(CKTcircuit *ckt, int which, JOB *anal, char *name, IFvalue *parm);
-bool if_tranparams(struct circ *ci, double *start, double *stop, double *step);
-struct variable * if_getstat(CKTcircuit *ckt, char *name);
 
 #ifdef EXPERIMENTAL_CODE
 void com_loadsnap(wordlist *wl);
diff --git a/src/frontend/terminal.h b/src/frontend/terminal.h
index 63e39f2d2..3cbdf0270 100644
--- a/src/frontend/terminal.h
+++ b/src/frontend/terminal.h
@@ -1,18 +1,10 @@
 #ifndef _TERMINAL_H
 #define _TERMINAL_H
 
-extern bool out_isatty;
 
-void out_init(void);
 void outbufputc(void);
 void promptreturn(void);
-void out_send(char *string);
 
-#ifdef __GNUC__
-extern void out_printf(char *fmt, ...) __attribute__ ((format (__printf__, 1, 2)));
-#else
-extern void out_printf(char *fmt, ...);
-#endif
 
 void  term_clear(void);
 void  term_home(void);
diff --git a/src/frontend/typesdef.h b/src/frontend/typesdef.h
index 5929a3b5f..5797ce1db 100644
--- a/src/frontend/typesdef.h
+++ b/src/frontend/typesdef.h
@@ -7,10 +7,6 @@
 #define TYPESDEF_H_INCLUDED
 
 void com_dftype(wordlist *wl);
-char * ft_typabbrev(int typenum);
-char * ft_typenames(int typenum);
-int ft_typnum(char *name);
-char * ft_plotabbrev(char *string);
 void com_stype(wordlist *wl);
 
 
diff --git a/src/frontend/variable.h b/src/frontend/variable.h
index c94b798b1..8cc869c06 100644
--- a/src/frontend/variable.h
+++ b/src/frontend/variable.h
@@ -37,21 +37,11 @@ struct xxx {
 
 
 extern struct variable *variables;
-extern bool cp_noglob;
-extern bool cp_nonomatch;
-extern bool cp_noclobber;
-extern bool cp_ignoreeof;
 extern bool cp_echo;
 
 /* extern struct variable *variables; */
 wordlist * cp_varwl(struct variable *var);
-void cp_vset(char *varname, enum cp_types type, void *value);
-struct variable * cp_setparse(wordlist *wl);
-void cp_remvar(char *varname);
-bool cp_getvar(char *name, enum cp_types type, void *retval);
 wordlist * cp_variablesubst(wordlist *wlist);
-wordlist * vareval(char *string);
-void cp_vprint(void);
 void free_struct_variable(struct variable *v);
 
 #endif /* _VARIABLE_H */
diff --git a/src/frontend/vectors.h b/src/frontend/vectors.h
index 35c4495d2..4f8e1b8f6 100644
--- a/src/frontend/vectors.h
+++ b/src/frontend/vectors.h
@@ -7,24 +7,7 @@
 #ifndef VECTORS_H_INCLUDED
 #define VECTORS_H_INCLUDED
 
-void ft_loadfile(char *file);
-void plot_add(struct plot *pl);
-void vec_remove(char *name);
-struct dvec * vec_fromplot(char *word, struct plot *plot);
-void plot_docoms(wordlist *wl);
-struct dvec * vec_copy(struct dvec *v);
-struct plot * plot_alloc(char *name);
-void vec_new(struct dvec *d);
-void vec_gc(void);
 #define vec_free(ptr)  vec_free_x(ptr); ptr=NULL
-void vec_free_x(struct dvec *v);
-bool vec_eq(struct dvec *v1, struct dvec *v2);
-char * vec_basename(struct dvec *v);
-void plot_setcur(char *name);
-void plot_new(struct plot *pl);
-void vec_transpose(struct dvec *v);
-struct dvec * vec_mkfamily(struct dvec *v);
-bool plot_prefix(char *pre, char *str);
 
 
 #endif
diff --git a/src/include/cpextern.h b/src/include/cpextern.h
index 3e5be5af5..f69d6516e 100644
--- a/src/include/cpextern.h
+++ b/src/include/cpextern.h
@@ -148,7 +148,6 @@ extern char *cp_unquote(char *string);
 extern void cp_quoteword(char *str);
 extern void cp_striplist(wordlist *wlist);
 extern void cp_wstrip(char *str);
-extern void cp_printword(char *string, FILE *fp); 
 
 
 
diff --git a/src/include/cpstd.h b/src/include/cpstd.h
index 7248c091a..562b64d12 100644
--- a/src/include/cpstd.h
+++ b/src/include/cpstd.h
@@ -31,7 +31,6 @@ Author: 1986 Wayne A. Christopher, U. C. Berkeley CAD Group
 extern char *tildexpand(char *string);
 extern void printnum(char *buf, double num);
 extern int cp_numdgt;
-extern void fatal(void);
 
 extern void cp_printword(char *string, FILE *fp);
 
diff --git a/src/include/fteext.h b/src/include/fteext.h
index 1bb4b0565..9fcc33968 100644
--- a/src/include/fteext.h
+++ b/src/include/fteext.h
@@ -22,10 +22,6 @@ Modified: 1999 Paolo Nenzi - 2000 AlansFixes
 #include "ftedefs.h"
 #include "fteinp.h"
 
-/* arg.c */
-
-extern void outmenuprompt(char *string);
-
 /* aspice.c */
 
 extern void com_aspice(wordlist *wl);
@@ -44,7 +40,6 @@ extern void com_step(wordlist *wl);
 extern void com_stop(wordlist *wl);
 extern void com_sttus(wordlist *wl);
 extern void com_trce(wordlist *wl);
-extern void ft_trquery(void);
 extern void dbfree(struct dbcomm *db);
 
 
@@ -105,16 +100,10 @@ extern void *cx_deriv(void *, short int , int , int *, short int *, struct plot
 extern void *cx_group_delay(void *, short int , int , int *, short int *, struct plot *, struct plot *, int );
 
 
-/* cmdtab.c */
-
-extern struct comm *cp_coms;
-
 /* compose.c */
 
 extern void com_compose(wordlist *wl);
 
-/* cpinterface.c symbols declared in CPextern.h */
-
 /* debugcoms.c */
 
 extern void com_dump(wordlist *wl);
@@ -161,7 +150,6 @@ extern int ft_savedotargs(void);
 
 /* error.c */
 
-extern void fatal(void);
 extern void fperror(char *mess, int code);
 extern void ft_sperror(int code, char *mess);
 extern char ErrorMessage[];
@@ -211,8 +199,6 @@ extern void gi_update();
 
 extern bool gr_gmode;
 extern bool gr_hmode;
-extern void gr_iplot(struct plot *plot);
-extern void gr_pmsg(char *text);
 extern double gr_xrange[2];
 extern double gr_yrange[2];
 extern int gr_xmargin;
@@ -282,7 +268,6 @@ extern bool ft_asyncdb;
 extern char *ft_setkwords[];
 extern struct line *inp_getopts(struct line *deck);
 extern struct line *inp_getoptsc(char *in_line, struct line *com_options);
-extern struct variable *cp_enqvar(char *word);
 extern bool ft_ngdebug;
 
 /* parse.c */
@@ -332,7 +317,6 @@ extern void TausSeed(void);
 
 extern void com_rusage(wordlist *wl);
 extern void ft_ckspace(void);
-extern void init_rlimits(void);
 
 /* runcoms.c */
 
@@ -358,7 +342,6 @@ extern bool ft_getOutReq(FILE **, struct plot **, bool *, char *, char *);
 extern bool ft_nutmeg;
 extern IFsimulator *ft_sim;
 extern char *ft_rawfile;
-extern char *cp_program;
 extern int main(int argc, char **argv);
 
 /* spiceif.c & nutmegif.c */
diff --git a/src/include/hlpdefs.h b/src/include/hlpdefs.h
index 58e732c6b..c5912835a 100644
--- a/src/include/hlpdefs.h
+++ b/src/include/hlpdefs.h
@@ -118,7 +118,6 @@ extern void hlp_pathfix(char *buf);
 extern topic *hlp_read(fplace *place);
 extern void hlp_free(void);
 extern long findsubject(char *filename, char *subject);
-extern bool hlp_approvedfile(char *filename);
 
 /* provide.c */
 
diff --git a/src/include/opdefs.h b/src/include/opdefs.h
index 2859121b6..7ed29db8e 100644
--- a/src/include/opdefs.h
+++ b/src/include/opdefs.h
@@ -21,6 +21,4 @@ typedef struct {
     char *JOBname;
 } OP;
 
-extern int DCOsetParm(CKTcircuit *ckt, JOB *anal, int which, IFvalue *value);
-extern int DCOaskQuest(CKTcircuit *ckt, JOB *anal, int which, IFvalue *value);
 #endif /*DCOP*/
diff --git a/src/include/tfdefs.h b/src/include/tfdefs.h
index 67c69d706..20a3ed7f7 100644
--- a/src/include/tfdefs.h
+++ b/src/include/tfdefs.h
@@ -36,7 +36,5 @@ struct TFan {
 #define TF_INSRC 4
 #define TF_OUTNAME 5
 
-extern int TFsetParm(CKTcircuit *ckt, JOB *anal, int which, IFvalue *value);
-extern int TFaskQuest(CKTcircuit *ckt, JOB *anal, int which, IFvalue *value);
 
 #endif  /*TF*/
diff --git a/src/include/trandefs.h b/src/include/trandefs.h
index 0076d6a1f..f95a300d7 100644
--- a/src/include/trandefs.h
+++ b/src/include/trandefs.h
@@ -32,6 +32,4 @@ typedef struct {
 #define TRAN_TSTEP 3
 #define TRAN_TMAX 4
 #define TRAN_UIC 5
-extern int TRANsetParm(CKTcircuit *ckt, JOB *anal, int which, IFvalue *value);
-extern int TRANaskQuest(CKTcircuit *ckt, JOB *anal, int which,IFvalue *value);
 #endif /*TRAN*/
diff --git a/src/maths/ni/niaciter.h b/src/maths/ni/niaciter.h
index 889e80f0a..9218b1d06 100644
--- a/src/maths/ni/niaciter.h
+++ b/src/maths/ni/niaciter.h
@@ -6,7 +6,6 @@
 #ifndef NIACITER_H_INCLUDED
 #define NIACITER_H_INCLUDED
 
-int NIacIter(register CKTcircuit *ckt);
 
 
 #endif
diff --git a/src/maths/ni/nicomcof.h b/src/maths/ni/nicomcof.h
index 59edb80ea..dbef6bcc9 100644
--- a/src/maths/ni/nicomcof.h
+++ b/src/maths/ni/nicomcof.h
@@ -6,7 +6,6 @@
 #ifndef NICOMCOF_H_INCLUDED
 #define NICOMCOF_H_INCLUDED
 
-int NIcomCof(CKTcircuit *ckt);
 
 
 #endif
diff --git a/src/maths/ni/niconv.h b/src/maths/ni/niconv.h
index 3e5bbb527..2e1008fab 100644
--- a/src/maths/ni/niconv.h
+++ b/src/maths/ni/niconv.h
@@ -6,7 +6,6 @@
 #ifndef NICONV_H_INCLUDED
 #define NICONV_H_INCLUDED
 
-int NIconvTest(register CKTcircuit *ckt);
 
 
 #endif
diff --git a/src/maths/ni/nidest.h b/src/maths/ni/nidest.h
index 2cd786d87..2fef401de 100644
--- a/src/maths/ni/nidest.h
+++ b/src/maths/ni/nidest.h
@@ -7,6 +7,5 @@
 #define NIDEST_H_INCLUDED
 
 
-void NIdestroy(register CKTcircuit *ckt);
 
 #endif
diff --git a/src/maths/ni/niditer.h b/src/maths/ni/niditer.h
index 722071221..aea4678d0 100644
--- a/src/maths/ni/niditer.h
+++ b/src/maths/ni/niditer.h
@@ -7,7 +7,6 @@
 #define NIDITER_H_INCLUDED
 
 
-int NIdIter(register CKTcircuit *ckt);
 
 
 #endif
diff --git a/src/maths/ni/niinit.h b/src/maths/ni/niinit.h
index cf49eba71..77e534393 100644
--- a/src/maths/ni/niinit.h
+++ b/src/maths/ni/niinit.h
@@ -7,7 +7,6 @@
 #define NIINIT_H_INCLUDED
 
 
-int NIinit(CKTcircuit *ckt);
 
 
 #endif
diff --git a/src/maths/ni/niinteg.h b/src/maths/ni/niinteg.h
index a7dbc59b8..14b914c02 100644
--- a/src/maths/ni/niinteg.h
+++ b/src/maths/ni/niinteg.h
@@ -7,7 +7,6 @@
 #define NIINTEG_H_INCLUDED
 
 
-int NIintegrate(register CKTcircuit *ckt, double *geq, double *ceq, double cap, int qcap);
 
 
 #endif
diff --git a/src/maths/ni/niiter.h b/src/maths/ni/niiter.h
index c8ea7934a..b3cb5a486 100644
--- a/src/maths/ni/niiter.h
+++ b/src/maths/ni/niiter.h
@@ -7,7 +7,6 @@
 #define NIITER_H_INCLUDED
 
 
-int NIiter(register CKTcircuit *ckt, int maxIter);
 
 
 #endif
diff --git a/src/maths/ni/niniter.h b/src/maths/ni/niniter.h
index a31eb11cd..0a5ffe7fc 100644
--- a/src/maths/ni/niniter.h
+++ b/src/maths/ni/niniter.h
@@ -6,7 +6,6 @@
 #ifndef NINITER_H_INCLUDED
 #define NINITER_H_INCLUDED
 
-void NInzIter(CKTcircuit *ckt, int posDrive, int negDrive);
 
 
 #endif
diff --git a/src/maths/ni/nipzmeth.h b/src/maths/ni/nipzmeth.h
index ccdf40982..06114964c 100644
--- a/src/maths/ni/nipzmeth.h
+++ b/src/maths/ni/nipzmeth.h
@@ -6,9 +6,5 @@
 #ifndef NIPZMETH_H_INCLUDED
 #define NIPZMETH_H_INCLUDED
 
-int NIpzSym(PZtrial **set, PZtrial *new);
-int NIpzComplex(PZtrial **set, PZtrial *new);
-int NIpzMuller(PZtrial **set, PZtrial *newtry);
-int NIpzSym2(PZtrial **set, PZtrial *new);
 
 #endif
diff --git a/src/maths/ni/nireinit.h b/src/maths/ni/nireinit.h
index 1827dd4cc..f082a8653 100644
--- a/src/maths/ni/nireinit.h
+++ b/src/maths/ni/nireinit.h
@@ -6,6 +6,5 @@
 #ifndef NIREINIT_H_INCLUDED
 #define NIREINIT_H_INCLUDED
 
-int NIreinit(register CKTcircuit *ckt);
 
 #endif
diff --git a/src/maths/ni/nisenre.h b/src/maths/ni/nisenre.h
index 9b3d89b78..e7cf164c0 100644
--- a/src/maths/ni/nisenre.h
+++ b/src/maths/ni/nisenre.h
@@ -6,6 +6,5 @@
 #ifndef NISENRE_H_INCLUDED
 #define NISENRE_H_INCLUDED
 
-int NIsenReinit(register CKTcircuit *ckt);
 
 #endif
diff --git a/src/spicelib/devices/bjt/bjtdset.h b/src/spicelib/devices/bjt/bjtdset.h
index d3b28685c..baee2f6ad 100644
--- a/src/spicelib/devices/bjt/bjtdset.h
+++ b/src/spicelib/devices/bjt/bjtdset.h
@@ -1,6 +1,5 @@
 #ifndef __BJTDSET_H
 #define __BJTDSET_H
 
-int BJTdSetup(GENmodel *inModel, CKTcircuit *ckt);
 
 #endif
diff --git a/src/spicelib/devices/bjt2/bjt2dset.h b/src/spicelib/devices/bjt2/bjt2dset.h
index 5a2dd5b16..533ff235e 100644
--- a/src/spicelib/devices/bjt2/bjt2dset.h
+++ b/src/spicelib/devices/bjt2/bjt2dset.h
@@ -1,6 +1,5 @@
 #ifndef __BJT2DSET_H
 #define __BJT2DSET_H
 
-int BJT2dSetup(GENmodel *inModel, CKTcircuit *ckt);
 
 #endif
diff --git a/src/spicelib/devices/cktaccept.h b/src/spicelib/devices/cktaccept.h
index c68be5601..6af0ee904 100644
--- a/src/spicelib/devices/cktaccept.h
+++ b/src/spicelib/devices/cktaccept.h
@@ -1,6 +1,5 @@
 #ifndef _CKTACCEPT_H
 #define _CKTACCEPT_H
 
-int CKTaccept(CKTcircuit *ckt);
 
 #endif
diff --git a/src/spicelib/parser/inppas1.h b/src/spicelib/parser/inppas1.h
index df0d158e3..0c13ad5e9 100644
--- a/src/spicelib/parser/inppas1.h
+++ b/src/spicelib/parser/inppas1.h
@@ -3,6 +3,5 @@
 
 #include <inpdefs.h>
 
-void INPpas1(CKTcircuit *ckt, card *deck, INPtables *tab);
 
 #endif
diff --git a/src/spicelib/parser/inppas2.h b/src/spicelib/parser/inppas2.h
index 3e2210452..7140b9779 100644
--- a/src/spicelib/parser/inppas2.h
+++ b/src/spicelib/parser/inppas2.h
@@ -3,7 +3,6 @@
 
 #include <inpdefs.h>
 
-void INPpas2(CKTcircuit *ckt, card *data, INPtables *tab, TSKtask *task);
 
 
 #endif
diff --git a/src/spicelib/parser/inppas3.h b/src/spicelib/parser/inppas3.h
index 882d04b36..9ec6e138a 100644
--- a/src/spicelib/parser/inppas3.h
+++ b/src/spicelib/parser/inppas3.h
@@ -4,8 +4,6 @@
 
 #include <inpdefs.h>
 
-void INPpas3(CKTcircuit *ckt, card *data, INPtables *tab, TSKtask *task,
-	     IFparm *nodeParms, int numNodeParams);
 
 
 #endif