diff --git a/src/ioc/dbStatic/recSup.h b/src/ioc/dbStatic/recSup.h
index e2d644142..21d724e36 100644
--- a/src/ioc/dbStatic/recSup.h
+++ b/src/ioc/dbStatic/recSup.h
@@ -36,13 +36,6 @@ struct dbr_alDouble;
 
 struct REC_TYPE;
 
-/* Definition of structure for rset.get_value */
-typedef struct valueDes {
-	long	field_type;
-	long	no_elements;
-	void *	pvalue;
-} valueDes;
-
 /* record support entry table */
 struct rset {
     long number; /* number of support routines */
@@ -51,15 +44,15 @@ struct rset {
     long (*init_record)(struct REC_TYPE *precord, int pass);
     long (*process)(struct REC_TYPE *precord);
     long (*special)(struct dbAddr *paddr, int after);
-    long (*get_value)(struct REC_TYPE *precord, struct valueDes *p);
+    long (*get_value)(void); /* DEPRECATED set to NULL */
     long (*cvt_dbaddr)(struct dbAddr *paddr);
     long (*get_array_info)(struct dbAddr *paddr, long *no_elements, long *offset);
     long (*put_array_info)(struct dbAddr *paddr, long nNew);
-    long (*get_units)(struct dbAddr *paddr, char units[/* 8 */]);
-    long (*get_precision)(struct dbAddr *paddr, long *precision);
-    long (*get_enum_str)(struct dbAddr *paddr, char *pbuffer);
-    long (*get_enum_strs)(struct dbAddr *paddr, struct dbr_enumStrs *p);
-    long (*put_enum_str)(struct dbAddr *paddr, char *pbuffer);
+    long (*get_units)(struct dbAddr *paddr, char *units);
+    long (*get_precision)(const struct dbAddr *paddr, long *precision);
+    long (*get_enum_str)(const struct dbAddr *paddr, char *pbuffer);
+    long (*get_enum_strs)(const struct dbAddr *paddr, struct dbr_enumStrs *p);
+    long (*put_enum_str)(const struct dbAddr *paddr, const char *pbuffer);
     long (*get_graphic_double)(struct dbAddr *paddr, struct dbr_grDouble *p);
     long (*get_control_double)(struct dbAddr *paddr, struct dbr_ctrlDouble *p);
     long (*get_alarm_double)(struct dbAddr *paddr, struct dbr_alDouble *p);
diff --git a/src/std/rec/aSubRecord.c b/src/std/rec/aSubRecord.c
index dee78628a..4211ea486 100644
--- a/src/std/rec/aSubRecord.c
+++ b/src/std/rec/aSubRecord.c
@@ -54,7 +54,7 @@ static long cvt_dbaddr(DBADDR *);
 static long get_array_info(DBADDR *, long *, long *);
 static long put_array_info(DBADDR *, long );
 static long get_units(DBADDR *, char *);
-static long get_precision(DBADDR *, long *);
+static long get_precision(const DBADDR *, long *);
 #define get_enum_str       NULL
 #define get_enum_strs      NULL
 #define put_enum_str       NULL
@@ -356,7 +356,7 @@ static long get_units(DBADDR *paddr, char *units)
     return 0;
 }
 
-static long get_precision(DBADDR *paddr, long *pprecision)
+static long get_precision(const DBADDR *paddr, long *pprecision)
 {
     aSubRecord *prec = (aSubRecord *)paddr->precord;
     int fieldIndex = dbGetFieldIndex(paddr);
diff --git a/src/std/rec/aaiRecord.c b/src/std/rec/aaiRecord.c
index 25e478dd8..df1ada7de 100644
--- a/src/std/rec/aaiRecord.c
+++ b/src/std/rec/aaiRecord.c
@@ -60,7 +60,7 @@ static long cvt_dbaddr(DBADDR *);
 static long get_array_info(DBADDR *, long *, long *);
 static long put_array_info(DBADDR *, long);
 static long get_units(DBADDR *, char *);
-static long get_precision(DBADDR *, long *);
+static long get_precision(const DBADDR *, long *);
 #define get_enum_str NULL
 #define get_enum_strs NULL
 #define put_enum_str NULL
@@ -230,7 +230,7 @@ static long get_units(DBADDR *paddr, char *units)
     return 0;
 }
 
-static long get_precision(DBADDR *paddr, long *precision)
+static long get_precision(const DBADDR *paddr, long *precision)
 {
     aaiRecord *prec = (aaiRecord *)paddr->precord;
 
diff --git a/src/std/rec/aaoRecord.c b/src/std/rec/aaoRecord.c
index 3d4e5445f..c9d0e05b1 100644
--- a/src/std/rec/aaoRecord.c
+++ b/src/std/rec/aaoRecord.c
@@ -60,7 +60,7 @@ static long cvt_dbaddr(DBADDR *);
 static long get_array_info(DBADDR *, long *, long *);
 static long put_array_info(DBADDR *, long);
 static long get_units(DBADDR *, char *);
-static long get_precision(DBADDR *, long *);
+static long get_precision(const DBADDR *, long *);
 #define get_enum_str NULL
 #define get_enum_strs NULL
 #define put_enum_str NULL
@@ -230,7 +230,7 @@ static long get_units(DBADDR *paddr, char *units)
     return 0;
 }
 
-static long get_precision(DBADDR *paddr, long *precision)
+static long get_precision(const DBADDR *paddr, long *precision)
 {
     aaoRecord *prec = (aaoRecord *)paddr->precord;
 
diff --git a/src/std/rec/aiRecord.c b/src/std/rec/aiRecord.c
index 8b8d8cbb6..8ec5e0089 100644
--- a/src/std/rec/aiRecord.c
+++ b/src/std/rec/aiRecord.c
@@ -57,7 +57,7 @@ static long special(DBADDR *, int);
 #define get_array_info NULL
 #define put_array_info NULL
 static long get_units(DBADDR *, char *);
-static long get_precision(DBADDR *, long *);
+static long get_precision(const DBADDR *, long *);
 #define get_enum_str NULL
 #define get_enum_strs NULL
 #define put_enum_str NULL
@@ -237,7 +237,7 @@ static long get_units(DBADDR *paddr, char *units)
     return(0);
 }
 
-static long get_precision(DBADDR *paddr, long *precision)
+static long get_precision(const DBADDR *paddr, long *precision)
 {
     aiRecord	*prec=(aiRecord *)paddr->precord;
 
diff --git a/src/std/rec/aoRecord.c b/src/std/rec/aoRecord.c
index 545debd41..4dcb4aa23 100644
--- a/src/std/rec/aoRecord.c
+++ b/src/std/rec/aoRecord.c
@@ -56,7 +56,7 @@ static long special(DBADDR *, int);
 #define get_array_info NULL
 #define put_array_info NULL
 static long get_units(DBADDR *, char *);
-static long get_precision(DBADDR *, long *);
+static long get_precision(const DBADDR *, long *);
 #define get_enum_str NULL
 #define get_enum_strs NULL
 #define put_enum_str NULL
@@ -296,7 +296,7 @@ static long get_units(DBADDR * paddr,char *units)
     return(0);
 }
 
-static long get_precision(DBADDR *paddr,long *precision)
+static long get_precision(const DBADDR *paddr,long *precision)
 {
     aoRecord	*prec=(aoRecord *)paddr->precord;
 
diff --git a/src/std/rec/biRecord.c b/src/std/rec/biRecord.c
index 4ac3b18f0..3331885ed 100644
--- a/src/std/rec/biRecord.c
+++ b/src/std/rec/biRecord.c
@@ -52,9 +52,9 @@ static long process(biRecord *);
 #define put_array_info NULL
 #define get_units NULL
 #define get_precision NULL
-static long get_enum_str(DBADDR *, char *);
-static long get_enum_strs(DBADDR *, struct dbr_enumStrs *);
-static long put_enum_str(DBADDR *, char *);
+static long get_enum_str(const DBADDR *, char *);
+static long get_enum_strs(const DBADDR *, struct dbr_enumStrs *);
+static long put_enum_str(const DBADDR *, const char *);
 #define get_graphic_double NULL
 #define get_control_double NULL
 #define get_alarm_double NULL
@@ -153,7 +153,7 @@ static long process(biRecord *prec)
 	return(status);
 }
 
-static long get_enum_str(DBADDR *paddr, char *pstring)
+static long get_enum_str(const DBADDR *paddr, char *pstring)
 {
     biRecord	*prec=(biRecord *)paddr->precord;
     int                 index;
@@ -175,7 +175,7 @@ static long get_enum_str(DBADDR *paddr, char *pstring)
     return(0);
 }
 
-static long get_enum_strs(DBADDR *paddr,struct dbr_enumStrs *pes)
+static long get_enum_strs(const DBADDR *paddr,struct dbr_enumStrs *pes)
 {
     biRecord	*prec=(biRecord *)paddr->precord;
 
@@ -188,7 +188,7 @@ static long get_enum_strs(DBADDR *paddr,struct dbr_enumStrs *pes)
     return(0);
 }
 
-static long put_enum_str(DBADDR *paddr, char *pstring)
+static long put_enum_str(const DBADDR *paddr, const char *pstring)
 {
     biRecord     *prec=(biRecord *)paddr->precord;
 
diff --git a/src/std/rec/boRecord.c b/src/std/rec/boRecord.c
index 66e233938..329ee77ff 100644
--- a/src/std/rec/boRecord.c
+++ b/src/std/rec/boRecord.c
@@ -53,10 +53,10 @@ static long process(boRecord *);
 #define get_array_info NULL
 #define put_array_info NULL
 static long get_units(DBADDR *, char *);
-static long get_precision(DBADDR *, long *);
-static long get_enum_str(DBADDR *, char *);
-static long get_enum_strs(DBADDR *, struct dbr_enumStrs *);
-static long put_enum_str(DBADDR *, char *);
+static long get_precision(const DBADDR *, long *);
+static long get_enum_str(const DBADDR *, char *);
+static long get_enum_strs(const DBADDR *, struct dbr_enumStrs *);
+static long put_enum_str(const DBADDR *, const char *);
 #define get_graphic_double NULL
 static long get_control_double(DBADDR *, struct dbr_ctrlDouble *);
 #define get_alarm_double NULL
@@ -283,7 +283,7 @@ static long get_units(DBADDR *paddr, char *units)
     return(0);
 }
 
-static long get_precision(DBADDR *paddr, long *precision)
+static long get_precision(const DBADDR *paddr, long *precision)
 {
     if(dbGetFieldIndex(paddr) == indexof(HIGH))
         *precision = boHIGHprecision;
@@ -302,7 +302,7 @@ static long get_control_double(DBADDR *paddr,struct dbr_ctrlDouble *pcd)
     return(0);
 }
 
-static long get_enum_str(DBADDR *paddr, char *pstring)
+static long get_enum_str(const DBADDR *paddr, char *pstring)
 {
     boRecord	*prec=(boRecord *)paddr->precord;
     int                 index;
@@ -324,7 +324,7 @@ static long get_enum_str(DBADDR *paddr, char *pstring)
     return(0);
 }
 
-static long get_enum_strs(DBADDR *paddr,struct dbr_enumStrs *pes)
+static long get_enum_strs(const DBADDR *paddr,struct dbr_enumStrs *pes)
 {
     boRecord	*prec=(boRecord *)paddr->precord;
 
@@ -337,7 +337,7 @@ static long get_enum_strs(DBADDR *paddr,struct dbr_enumStrs *pes)
     if(*prec->onam!=0) pes->no_str=2;
     return(0);
 }
-static long put_enum_str(DBADDR *paddr, char *pstring)
+static long put_enum_str(const DBADDR *paddr, const char *pstring)
 {
     boRecord     *prec=(boRecord *)paddr->precord;
 
diff --git a/src/std/rec/calcRecord.c b/src/std/rec/calcRecord.c
index 4e54ce844..f24c6f95a 100644
--- a/src/std/rec/calcRecord.c
+++ b/src/std/rec/calcRecord.c
@@ -53,7 +53,7 @@ static long special(DBADDR *paddr, int after);
 #define get_array_info NULL
 #define put_array_info NULL
 static long get_units(DBADDR *paddr, char *units);
-static long get_precision(DBADDR *paddr, long *precision);
+static long get_precision(const DBADDR *paddr, long *precision);
 #define get_enum_str NULL
 #define get_enum_strs NULL
 #define put_enum_str NULL
@@ -182,7 +182,7 @@ static long get_units(DBADDR *paddr, char *units)
     return 0;
 }
 
-static long get_precision(DBADDR *paddr, long *pprecision)
+static long get_precision(const DBADDR *paddr, long *pprecision)
 {
     calcRecord *prec = (calcRecord *)paddr->precord;
     int fieldIndex = dbGetFieldIndex(paddr);
diff --git a/src/std/rec/calcoutRecord.c b/src/std/rec/calcoutRecord.c
index 240dc312c..f9a8e0e89 100644
--- a/src/std/rec/calcoutRecord.c
+++ b/src/std/rec/calcoutRecord.c
@@ -56,7 +56,7 @@ static long special(DBADDR *, int);
 #define get_array_info NULL
 #define put_array_info NULL
 static long get_units(DBADDR *, char *);
-static long get_precision(DBADDR *, long *);
+static long get_precision(const DBADDR *, long *);
 #define get_enum_str NULL
 #define get_enum_strs NULL
 #define put_enum_str NULL
@@ -410,7 +410,7 @@ static long get_units(DBADDR *paddr, char *units)
     return 0;
 }
 
-static long get_precision(DBADDR *paddr, long *pprecision)
+static long get_precision(const DBADDR *paddr, long *pprecision)
 {
     calcoutRecord *prec = (calcoutRecord *)paddr->precord;
     int fieldIndex = dbGetFieldIndex(paddr);
diff --git a/src/std/rec/compressRecord.c b/src/std/rec/compressRecord.c
index f7f0b0c70..5dc836258 100644
--- a/src/std/rec/compressRecord.c
+++ b/src/std/rec/compressRecord.c
@@ -51,7 +51,7 @@ static long cvt_dbaddr(DBADDR *);
 static long get_array_info(DBADDR *, long *, long *);
 static long put_array_info(DBADDR *, long);
 static long get_units(DBADDR *, char *);
-static long get_precision(DBADDR *, long *);
+static long get_precision(const DBADDR *, long *);
 #define get_enum_str NULL
 #define get_enum_strs NULL
 #define put_enum_str NULL
@@ -459,7 +459,7 @@ static long get_units(DBADDR *paddr, char *units)
     return 0;
 }
 
-static long get_precision(DBADDR *paddr, long *precision)
+static long get_precision(const DBADDR *paddr, long *precision)
 {
     compressRecord *prec = (compressRecord *) paddr->precord;
 
diff --git a/src/std/rec/dfanoutRecord.c b/src/std/rec/dfanoutRecord.c
index a60047776..f24b8491d 100644
--- a/src/std/rec/dfanoutRecord.c
+++ b/src/std/rec/dfanoutRecord.c
@@ -55,7 +55,7 @@ static long process(dfanoutRecord *);
 #define get_array_info NULL
 #define put_array_info NULL
 static long get_units(DBADDR *, char *);
-static long get_precision(DBADDR *, long *);
+static long get_precision(const DBADDR *, long *);
 #define get_enum_str NULL
 #define get_enum_strs NULL
 #define put_enum_str NULL
@@ -139,7 +139,7 @@ static long get_units(DBADDR *paddr,char *units)
     return(0);
 }
 
-static long get_precision(DBADDR *paddr,long *precision)
+static long get_precision(const DBADDR *paddr,long *precision)
 {
     dfanoutRecord *prec=(dfanoutRecord *)paddr->precord;
 
diff --git a/src/std/rec/histogramRecord.c b/src/std/rec/histogramRecord.c
index 3519ec091..f3ad331bc 100644
--- a/src/std/rec/histogramRecord.c
+++ b/src/std/rec/histogramRecord.c
@@ -56,7 +56,7 @@ static long cvt_dbaddr(DBADDR *);
 static long get_array_info(DBADDR *, long *, long *);
 #define  put_array_info NULL
 static long get_units(DBADDR *, char *);
-static long get_precision(DBADDR *paddr,long *precision);
+static long get_precision(const DBADDR *paddr,long *precision);
 #define get_enum_str NULL
 #define get_enum_strs NULL
 #define put_enum_str NULL
@@ -417,7 +417,7 @@ static long get_units(DBADDR *paddr, char *units)
     return 0;
 }
 
-static long get_precision(DBADDR *paddr,long *precision)
+static long get_precision(const DBADDR *paddr,long *precision)
 {
     histogramRecord *prec = (histogramRecord *) paddr->precord;
 
diff --git a/src/std/rec/mbbiRecord.c b/src/std/rec/mbbiRecord.c
index a0714911a..40dd8019a 100644
--- a/src/std/rec/mbbiRecord.c
+++ b/src/std/rec/mbbiRecord.c
@@ -55,9 +55,9 @@ static long  special(DBADDR *, int);
 #define put_array_info NULL
 #define get_units NULL
 #define get_precision NULL
-static long get_enum_str(DBADDR *, char *);
-static long get_enum_strs(DBADDR *, struct dbr_enumStrs *);
-static long put_enum_str(DBADDR *, char *);
+static long get_enum_str(const DBADDR *, char *);
+static long get_enum_strs(const DBADDR *, struct dbr_enumStrs *);
+static long put_enum_str(const DBADDR *, const char *);
 #define get_graphic_double NULL
 #define get_control_double NULL
 #define get_alarm_double NULL
@@ -238,7 +238,7 @@ static long special(DBADDR *paddr, int after)
     }
 }
 
-static long get_enum_str(DBADDR *paddr, char *pstring)
+static long get_enum_str(const DBADDR *paddr, char *pstring)
 {
     mbbiRecord *prec = (mbbiRecord *) paddr->precord;
     int index;
@@ -260,7 +260,7 @@ static long get_enum_str(DBADDR *paddr, char *pstring)
     return 0;
 }
 
-static long get_enum_strs(DBADDR *paddr, struct dbr_enumStrs *pes)
+static long get_enum_strs(const DBADDR *paddr, struct dbr_enumStrs *pes)
 {
     mbbiRecord *prec = (mbbiRecord *) paddr->precord;
     char *pstate = prec->zrst;
@@ -276,7 +276,7 @@ static long get_enum_strs(DBADDR *paddr, struct dbr_enumStrs *pes)
     return 0;
 }
 
-static long put_enum_str(DBADDR *paddr, char *pstring)
+static long put_enum_str(const DBADDR *paddr, const char *pstring)
 {
     mbbiRecord *prec = (mbbiRecord *) paddr->precord;
     char *pstate;
diff --git a/src/std/rec/mbboRecord.c b/src/std/rec/mbboRecord.c
index 586bd5ab0..3b9669e8a 100644
--- a/src/std/rec/mbboRecord.c
+++ b/src/std/rec/mbboRecord.c
@@ -54,9 +54,9 @@ static long cvt_dbaddr(DBADDR *);
 #define put_array_info NULL
 #define get_units NULL
 #define get_precision NULL
-static long get_enum_str(DBADDR *, char *);
-static long get_enum_strs(DBADDR *, struct dbr_enumStrs *);
-static long put_enum_str(DBADDR *, char *);
+static long get_enum_str(const DBADDR *, char *);
+static long get_enum_strs(const DBADDR *, struct dbr_enumStrs *);
+static long put_enum_str(const DBADDR *, const char *);
 #define get_graphic_double NULL
 #define get_control_double NULL
 #define get_alarm_double NULL
@@ -306,7 +306,7 @@ static long cvt_dbaddr(DBADDR *paddr)
     return 0;
 }
 
-static long get_enum_str(DBADDR *paddr, char *pstring)
+static long get_enum_str(const DBADDR *paddr, char *pstring)
 {
     mbboRecord *prec = (mbboRecord *) paddr->precord;
     epicsEnum16 *pfield = paddr->pfield;
@@ -326,7 +326,7 @@ static long get_enum_str(DBADDR *paddr, char *pstring)
     return 0;
 }
 
-static long get_enum_strs(DBADDR *paddr, struct dbr_enumStrs *pes)
+static long get_enum_strs(const DBADDR *paddr, struct dbr_enumStrs *pes)
 {
     mbboRecord *prec = (mbboRecord *) paddr->precord;
     const char *pstate;
@@ -345,7 +345,7 @@ static long get_enum_strs(DBADDR *paddr, struct dbr_enumStrs *pes)
     return 0;
 }
 
-static long put_enum_str(DBADDR *paddr,char *pstring)
+static long put_enum_str(const DBADDR *paddr, const char *pstring)
 {
     mbboRecord *prec = (mbboRecord *) paddr->precord;
     const char *pstate;
diff --git a/src/std/rec/selRecord.c b/src/std/rec/selRecord.c
index 240d9928a..da4208360 100644
--- a/src/std/rec/selRecord.c
+++ b/src/std/rec/selRecord.c
@@ -48,7 +48,7 @@ static long process(selRecord *);
 #define get_array_info NULL
 #define put_array_info NULL
 static long get_units(DBADDR *, char *);
-static long get_precision(DBADDR *, long *);
+static long get_precision(const DBADDR *, long *);
 #define get_enum_str NULL
 #define get_enum_strs NULL
 #define put_enum_str NULL
@@ -145,7 +145,7 @@ static long get_units(DBADDR *paddr, char *units)
     return(0);
 }
 
-static long get_precision(DBADDR *paddr, long *precision)
+static long get_precision(const DBADDR *paddr, long *precision)
 {
     selRecord	*prec=(selRecord *)paddr->precord;
     double *pvalue,*plvalue;
diff --git a/src/std/rec/seqRecord.c b/src/std/rec/seqRecord.c
index fb67b2dbf..7c42eb7aa 100644
--- a/src/std/rec/seqRecord.c
+++ b/src/std/rec/seqRecord.c
@@ -46,7 +46,7 @@ static long process(seqRecord *prec);
 #define get_array_info NULL
 #define put_array_info NULL
 static long get_units(DBADDR *, char *);
-static long get_precision(dbAddr *paddr, long *);
+static long get_precision(const DBADDR *paddr, long *);
 #define get_enum_str NULL
 #define get_enum_strs NULL
 #define put_enum_str NULL
@@ -299,7 +299,7 @@ static long get_units(DBADDR *paddr, char *units)
     return 0;
 }
 
-static long get_precision(dbAddr *paddr, long *pprecision)
+static long get_precision(const DBADDR *paddr, long *pprecision)
 {
     seqRecord *prec = (seqRecord *) paddr->precord;
     int fieldOffset = dbGetFieldIndex(paddr) - indexof(DLY1);
diff --git a/src/std/rec/subArrayRecord.c b/src/std/rec/subArrayRecord.c
index 2182be9ee..b31789980 100644
--- a/src/std/rec/subArrayRecord.c
+++ b/src/std/rec/subArrayRecord.c
@@ -54,7 +54,7 @@ static long cvt_dbaddr(DBADDR *paddr);
 static long get_array_info(DBADDR *paddr, long *no_elements, long *offset);
 static long put_array_info(DBADDR *paddr, long nNew);
 static long get_units(DBADDR *paddr, char *units);
-static long get_precision(DBADDR *paddr, long *precision);
+static long get_precision(const DBADDR *paddr, long *precision);
 #define get_enum_str NULL
 #define get_enum_strs NULL
 #define put_enum_str NULL
@@ -218,7 +218,7 @@ static long get_units(DBADDR *paddr, char *units)
     return 0;
 }
 
-static long get_precision(DBADDR *paddr, long *precision)
+static long get_precision(const DBADDR *paddr, long *precision)
 {
     subArrayRecord *prec = (subArrayRecord *) paddr->precord;
 
diff --git a/src/std/rec/subRecord.c b/src/std/rec/subRecord.c
index e343af0d6..5a089aedb 100644
--- a/src/std/rec/subRecord.c
+++ b/src/std/rec/subRecord.c
@@ -52,7 +52,7 @@ static long special(DBADDR *, int);
 #define get_array_info NULL
 #define put_array_info NULL
 static long get_units(DBADDR *, char *);
-static long get_precision(DBADDR *, long *);
+static long get_precision(const DBADDR *, long *);
 #define get_enum_str NULL
 #define get_enum_strs NULL
 #define put_enum_str NULL
@@ -216,7 +216,7 @@ static long get_units(DBADDR *paddr, char *units)
     return 0;
 }
 
-static long get_precision(DBADDR *paddr, long *pprecision)
+static long get_precision(const DBADDR *paddr, long *pprecision)
 {
     subRecord *prec = (subRecord *)paddr->precord;
     int fieldIndex = dbGetFieldIndex(paddr);
diff --git a/src/std/rec/waveformRecord.c b/src/std/rec/waveformRecord.c
index c08460037..2b05274e6 100644
--- a/src/std/rec/waveformRecord.c
+++ b/src/std/rec/waveformRecord.c
@@ -52,7 +52,7 @@ static long cvt_dbaddr(DBADDR *);
 static long get_array_info(DBADDR *, long *, long *);
 static long put_array_info(DBADDR *, long);
 static long get_units(DBADDR *, char *);
-static long get_precision(DBADDR *, long *);
+static long get_precision(const DBADDR *, long *);
 #define get_enum_str NULL
 #define get_enum_strs NULL
 #define put_enum_str NULL
@@ -212,7 +212,7 @@ static long get_units(DBADDR *paddr, char *units)
     return 0;
 }
 
-static long get_precision(DBADDR *paddr, long *precision)
+static long get_precision(const DBADDR *paddr, long *precision)
 {
     waveformRecord *prec = (waveformRecord *) paddr->precord;