diff --git a/ChangeLog b/ChangeLog
index 53e0fa3d1..69169e56f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2011-05-22  Robert Larice
+ * src/spicelib/devices/hisim2/* :
+   hisim2, convert K&R function definitions to ansi style
+
 2011-05-22  Robert Larice
  * src/spicelib/devices/hisim2/hsm2noi.c :
    hisim2, remove #include "fteconst.h"
diff --git a/src/spicelib/devices/hisim2/hsm2acld.c b/src/spicelib/devices/hisim2/hsm2acld.c
index 7a8a4aade..05f914179 100644
--- a/src/spicelib/devices/hisim2/hsm2acld.c
+++ b/src/spicelib/devices/hisim2/hsm2acld.c
@@ -21,9 +21,9 @@
 #include "hsm2def.h"
 
 
-int HSM2acLoad(inModel,ckt)
-     GENmodel *inModel;
-     register CKTcircuit *ckt;
+int HSM2acLoad(
+     GENmodel *inModel,
+     register CKTcircuit *ckt)
 {
   register HSM2model *model = (HSM2model*)inModel;
   register HSM2instance *here;
diff --git a/src/spicelib/devices/hisim2/hsm2ask.c b/src/spicelib/devices/hisim2/hsm2ask.c
index 0590f6430..506763e92 100644
--- a/src/spicelib/devices/hisim2/hsm2ask.c
+++ b/src/spicelib/devices/hisim2/hsm2ask.c
@@ -22,12 +22,12 @@
 #include "sperror.h"
 #include "suffix.h"
 
-int HSM2ask(ckt,inst,which,value,select)
-     CKTcircuit *ckt;
-     GENinstance *inst;
-     int which;
-     IFvalue *value;
-     IFvalue *select;
+int HSM2ask(
+     CKTcircuit *ckt,
+     GENinstance *inst,
+     int which,
+     IFvalue *value,
+     IFvalue *select)
 {
   HSM2instance *here = (HSM2instance*)inst;
 
diff --git a/src/spicelib/devices/hisim2/hsm2cvtest.c b/src/spicelib/devices/hisim2/hsm2cvtest.c
index fa6a77962..619cb8598 100644
--- a/src/spicelib/devices/hisim2/hsm2cvtest.c
+++ b/src/spicelib/devices/hisim2/hsm2cvtest.c
@@ -23,9 +23,9 @@
 #include "sperror.h"
 #include "suffix.h"
 
-int HSM2convTest(inModel,ckt)
-     GENmodel *inModel;
-     register CKTcircuit *ckt;
+int HSM2convTest(
+     GENmodel *inModel,
+     register CKTcircuit *ckt)
 {
   register HSM2model *model = (HSM2model*)inModel;
   register HSM2instance *here;
diff --git a/src/spicelib/devices/hisim2/hsm2del.c b/src/spicelib/devices/hisim2/hsm2del.c
index 1daff04fd..0192c5252 100644
--- a/src/spicelib/devices/hisim2/hsm2del.c
+++ b/src/spicelib/devices/hisim2/hsm2del.c
@@ -20,10 +20,10 @@
 #include "gendefs.h"
 #include "suffix.h"
 
-int HSM2delete(inModel,name,inInst)
-     GENmodel *inModel;
-     IFuid name;
-     GENinstance **inInst;
+int HSM2delete(
+     GENmodel *inModel,
+     IFuid name,
+     GENinstance **inInst)
 {
   HSM2instance **fast = (HSM2instance**)inInst;
   HSM2model *model = (HSM2model*)inModel;
diff --git a/src/spicelib/devices/hisim2/hsm2dest.c b/src/spicelib/devices/hisim2/hsm2dest.c
index fef7c34bb..d896c14e0 100644
--- a/src/spicelib/devices/hisim2/hsm2dest.c
+++ b/src/spicelib/devices/hisim2/hsm2dest.c
@@ -18,8 +18,8 @@
 #include "hsm2def.h"
 #include "suffix.h"
 
-void HSM2destroy(inModel)
-     GENmodel **inModel;
+void HSM2destroy(
+     GENmodel **inModel)
 {
   HSM2model **model = (HSM2model**)inModel;
   HSM2instance *here;
diff --git a/src/spicelib/devices/hisim2/hsm2getic.c b/src/spicelib/devices/hisim2/hsm2getic.c
index 7366e24df..a49e5f613 100644
--- a/src/spicelib/devices/hisim2/hsm2getic.c
+++ b/src/spicelib/devices/hisim2/hsm2getic.c
@@ -20,9 +20,9 @@
 #include "sperror.h"
 #include "suffix.h"
 
-int HSM2getic(inModel,ckt)
-     GENmodel *inModel;
-     CKTcircuit *ckt;
+int HSM2getic(
+     GENmodel *inModel,
+     CKTcircuit *ckt)
 {
   HSM2model *model = (HSM2model*)inModel;
   HSM2instance *here;
diff --git a/src/spicelib/devices/hisim2/hsm2ld.c b/src/spicelib/devices/hisim2/hsm2ld.c
index 65c432f63..53f8f4b10 100644
--- a/src/spicelib/devices/hisim2/hsm2ld.c
+++ b/src/spicelib/devices/hisim2/hsm2ld.c
@@ -185,9 +185,9 @@ static void ShowPhysVals(here,model,isFirst,vds,vgs,vbs,vgd,vbd,vgb)
   }
 }
 
-int HSM2load(inModel,ckt)
-     GENmodel *inModel;
-     register CKTcircuit *ckt;
+int HSM2load(
+     GENmodel *inModel,
+     register CKTcircuit *ckt)
      /* actually load the current value into the 
       * sparse matrix previously provided 
       */
diff --git a/src/spicelib/devices/hisim2/hsm2mask.c b/src/spicelib/devices/hisim2/hsm2mask.c
index a57241894..41d159ede 100644
--- a/src/spicelib/devices/hisim2/hsm2mask.c
+++ b/src/spicelib/devices/hisim2/hsm2mask.c
@@ -22,11 +22,11 @@
 #include "sperror.h"
 #include "suffix.h"
 
-int HSM2mAsk(ckt,inst,which,value)
-     CKTcircuit *ckt;
-     GENmodel *inst;
-     int which;
-     IFvalue *value;
+int HSM2mAsk(
+     CKTcircuit *ckt,
+     GENmodel *inst,
+     int which,
+     IFvalue *value)
 {
   HSM2model *model = (HSM2model *)inst;
 
diff --git a/src/spicelib/devices/hisim2/hsm2mdel.c b/src/spicelib/devices/hisim2/hsm2mdel.c
index 07b85ade3..8785fc9a2 100644
--- a/src/spicelib/devices/hisim2/hsm2mdel.c
+++ b/src/spicelib/devices/hisim2/hsm2mdel.c
@@ -19,10 +19,10 @@
 #include "sperror.h"
 #include "suffix.h"
 
-int HSM2mDelete(inModel,modname,kill)
-     GENmodel **inModel;
-     IFuid modname;
-     GENmodel *kill;
+int HSM2mDelete(
+     GENmodel **inModel,
+     IFuid modname,
+     GENmodel *kill)
 {
   HSM2model **model = (HSM2model**)inModel;
   HSM2model *modfast = (HSM2model*)kill;
diff --git a/src/spicelib/devices/hisim2/hsm2mpar.c b/src/spicelib/devices/hisim2/hsm2mpar.c
index 43a242a98..8cb18d6d9 100644
--- a/src/spicelib/devices/hisim2/hsm2mpar.c
+++ b/src/spicelib/devices/hisim2/hsm2mpar.c
@@ -20,10 +20,10 @@
 #include "sperror.h"
 #include "suffix.h"
 
-int HSM2mParam(param,value,inMod)
-     int param;
-     IFvalue *value;
-     GENmodel *inMod;
+int HSM2mParam(
+     int param,
+     IFvalue *value,
+     GENmodel *inMod)
 {
   HSM2model *mod = (HSM2model*)inMod;
   switch (param) {
diff --git a/src/spicelib/devices/hisim2/hsm2noi.c b/src/spicelib/devices/hisim2/hsm2noi.c
index b551e80bb..4ed728d91 100644
--- a/src/spicelib/devices/hisim2/hsm2noi.c
+++ b/src/spicelib/devices/hisim2/hsm2noi.c
@@ -35,12 +35,12 @@
 extern void   NevalSrc();
 extern double Nintegrate();
 
-int HSM2noise (mode, operation, inModel, ckt, data, OnDens)
-     int mode, operation;
-     GENmodel *inModel;
-     CKTcircuit *ckt;
-     register Ndata *data;
-     double *OnDens;
+int HSM2noise (
+     int mode, int operation,
+     GENmodel *inModel,
+     CKTcircuit *ckt,
+     register Ndata *data,
+     double *OnDens)
 {
   register HSM2model *model = (HSM2model *)inModel;
   register HSM2instance *here;
diff --git a/src/spicelib/devices/hisim2/hsm2par.c b/src/spicelib/devices/hisim2/hsm2par.c
index 40e5c4d10..490ff0dfd 100644
--- a/src/spicelib/devices/hisim2/hsm2par.c
+++ b/src/spicelib/devices/hisim2/hsm2par.c
@@ -20,11 +20,11 @@
 #include "sperror.h"
 #include "suffix.h"
 
-int HSM2param(param,value,inst,select)
-     int param;
-     IFvalue *value;
-     GENinstance *inst;
-     IFvalue *select;
+int HSM2param(
+     int param,
+     IFvalue *value,
+     GENinstance *inst,
+     IFvalue *select)
 {
   HSM2instance *here = (HSM2instance*)inst;
 
diff --git a/src/spicelib/devices/hisim2/hsm2pzld.c b/src/spicelib/devices/hisim2/hsm2pzld.c
index a9e1b9bf4..4b2f52c44 100644
--- a/src/spicelib/devices/hisim2/hsm2pzld.c
+++ b/src/spicelib/devices/hisim2/hsm2pzld.c
@@ -21,10 +21,10 @@
 #include "hsm2def.h"
 #include "suffix.h"
 
-int HSM2pzLoad(inModel,ckt,s)
-     GENmodel *inModel;
-     register CKTcircuit *ckt;
-     register SPcomplex *s;
+int HSM2pzLoad(
+     GENmodel *inModel,
+     register CKTcircuit *ckt,
+     register SPcomplex *s)
 {
   register HSM2model *model = (HSM2model*)inModel;
   register HSM2instance *here;
diff --git a/src/spicelib/devices/hisim2/hsm2set.c b/src/spicelib/devices/hisim2/hsm2set.c
index e68571f84..2fa753af2 100644
--- a/src/spicelib/devices/hisim2/hsm2set.c
+++ b/src/spicelib/devices/hisim2/hsm2set.c
@@ -24,11 +24,11 @@
 #include "suffix.h"
 
 
-int HSM2setup(matrix,inModel,ckt,states)
-     register SMPmatrix *matrix;
-     register GENmodel *inModel;
-     register CKTcircuit *ckt;
-     int *states;
+int HSM2setup(
+     register SMPmatrix *matrix,
+     register GENmodel *inModel,
+     register CKTcircuit *ckt,
+     int *states)
      /* load the HSM2 device structure with those pointers needed later 
       * for fast matrix loading 
       */
diff --git a/src/spicelib/devices/hisim2/hsm2temp.c b/src/spicelib/devices/hisim2/hsm2temp.c
index a74693dbe..c403f7fdf 100644
--- a/src/spicelib/devices/hisim2/hsm2temp.c
+++ b/src/spicelib/devices/hisim2/hsm2temp.c
@@ -62,9 +62,9 @@
     y = ( xmin ) + 0.5 * ( T1 + T2 ) ; \
   }
 
-int HSM2temp(inModel,ckt)
-     GENmodel *inModel;
-     CKTcircuit *ckt;
+int HSM2temp(
+     GENmodel *inModel,
+     CKTcircuit *ckt)
 {
   register HSM2model *model = (HSM2model *)inModel ;
   register HSM2instance *here ;
diff --git a/src/spicelib/devices/hisim2/hsm2trunc.c b/src/spicelib/devices/hisim2/hsm2trunc.c
index 7e695de05..20241120e 100644
--- a/src/spicelib/devices/hisim2/hsm2trunc.c
+++ b/src/spicelib/devices/hisim2/hsm2trunc.c
@@ -20,10 +20,10 @@
 #include "sperror.h"
 #include "suffix.h"
 
-int HSM2trunc(inModel,ckt,timeStep)
-     GENmodel *inModel;
-     register CKTcircuit *ckt;
-     double *timeStep;
+int HSM2trunc(
+     GENmodel *inModel,
+     register CKTcircuit *ckt,
+     double *timeStep)
 
 {
   register HSM2model *model = (HSM2model*)inModel;