diff --git a/src/include/phigs/css.h b/src/include/phigs/css.h
index ff09e9d..66e6b78 100644
--- a/src/include/phigs/css.h
+++ b/src/include/phigs/css.h
@@ -110,7 +110,7 @@ typedef struct _Css_ssl {
     El_handle   last_el;
 } Css_ssl;
 
-typedef int (*Css_func)();
+typedef int (*Css_func)(Css_handle, El_handle, caddr_t, Css_el_op);
 
 typedef struct _hash_block {
     Pint               struct_id;
@@ -260,7 +260,7 @@ int phg_css_struct_ref(Css_handle cssh,
                        Css_el_op opcode);
 int phg_css_no_data(Css_handle cssh,
                     El_handle elptr,
-                    caddr_t *argdata,
+                    caddr_t argdata,
                     Css_el_op opcode);
 void phg_css_el_search(Css_handle cssh,
                        Pint struct_id,
diff --git a/src/include/phigs/err.h b/src/include/phigs/err.h
index 30b48d1..8daad85 100644
--- a/src/include/phigs/err.h
+++ b/src/include/phigs/err.h
@@ -89,7 +89,7 @@ typedef struct _Err_struct {
 
 typedef Err_struct *Err_handle;
 
-extern void (*phg_errhandle)();
+  extern void (*phg_errhandle)(int, int, char*);
 
 #define ERR_SET_CUR_FUNC(erh, funcnum) \
     ((erh)->cur_func_num = (funcnum))
@@ -192,8 +192,8 @@ void perr_log(
  */
 
 void pset_err_hand(
-   void (*new_err_hand)(),
-   void (**old_err_hand)()
+   void (*new_err_hand)(int,  int,  char *),
+   void (**old_err_hand)(int,  int,  char *)
    );
 
 /*******************************************************************************
diff --git a/src/include/phigs/util/htab.h b/src/include/phigs/util/htab.h
index d3b0e86..94a8a39 100644
--- a/src/include/phigs/util/htab.h
+++ b/src/include/phigs/util/htab.h
@@ -48,7 +48,7 @@ Hash_table phg_htab_create(
 
 void phg_htab_destroy(
     Hash_table htab,
-    void (*destroy_entry)()
+    void (*destroy_entry)(int, caddr_t)
     );
 
 /*******************************************************************************
diff --git a/src/libphigs/c_binding/cb_lite.c b/src/libphigs/c_binding/cb_lite.c
index 0231eb4..c729bd4 100644
--- a/src/libphigs/c_binding/cb_lite.c
+++ b/src/libphigs/c_binding/cb_lite.c
@@ -37,12 +37,12 @@
  * DESCR:       inquire light source respresentation
  * RETURNS:     N/A
  */
-void pinq_light_src_rep( ws_id, index, type, err_ind, rep)
-     Pint  ws_id;
-     Pint  index;
-     Pinq_type  type;
-     Pint *err_ind;
-     Plight_src_bundle *rep;
+void pinq_light_src_rep(
+			Pint ws_id,
+			Pint index,
+			Pinq_type type,
+			Pint *err_ind,
+			Plight_src_bundle *rep)
 {
   Phg_ret         ret;
   Psl_ws_info     *wsinfo;
diff --git a/src/libphigs/css/css_el.c b/src/libphigs/css/css_el.c
index a3e7da1..a234a92 100644
--- a/src/libphigs/css/css_el.c
+++ b/src/libphigs/css/css_el.c
@@ -472,10 +472,10 @@ int phg_css_struct_ref(Css_handle cssh,
 
 int phg_css_no_data(Css_handle cssh,
                     El_handle elptr,
-                    caddr_t *argdata,
+                    caddr_t argdata,
                     Css_el_op opcode)
 {
-    Phg_ret_q_content *ret_data = (Phg_ret_q_content *)argdata;
+  Phg_ret_q_content *ret_data = (Phg_ret_q_content *)(&argdata);
 
     switch (opcode) {
       case CSS_EL_INQ_CONTENT:
@@ -484,7 +484,7 @@ int phg_css_no_data(Css_handle cssh,
         break;
 
       case CSS_EL_INQ_TYPE_SIZE:
-        ARGS_INQ_SIZE(argdata) = 0;
+        ARGS_INQ_SIZE(&argdata) = 0;
         break;
 
       default:
diff --git a/src/libphigs/errors/err.c b/src/libphigs/errors/err.c
index 306a84c..2cf4e63 100644
--- a/src/libphigs/errors/err.c
+++ b/src/libphigs/errors/err.c
@@ -26,7 +26,7 @@
 #include "err.h"
 #include "private/errP.h"
 
-void (*phg_errhandle)() = perr_hand;
+void (*phg_errhandle)(Pint,  Pint,  char *) = perr_hand;
 
 #define MSG_BUF_SIZE 255
 
@@ -254,8 +254,8 @@ void perr_log(
  */
 
 void pset_err_hand(
-   void (*new_err_hand)(),
-   void (**old_err_hand)()
+   void (*new_err_hand)(int,  int,  char *),
+   void (**old_err_hand)(int,  int,  char *)
    )
 {
    *old_err_hand = phg_errhandle;
diff --git a/src/libphigs/ut/ut_htab.c b/src/libphigs/ut/ut_htab.c
index 5f96c21..a093b89 100644
--- a/src/libphigs/ut/ut_htab.c
+++ b/src/libphigs/ut/ut_htab.c
@@ -141,7 +141,7 @@ Hash_table phg_htab_create(
 
 void phg_htab_destroy(
     Hash_table htab,
-    void (*destroy_entry)()
+    void (*destroy_entry)(int, caddr_t)
     )
 {
     int	i;
diff --git a/src/libphigs/ws/wsb_lut.c b/src/libphigs/ws/wsb_lut.c
index 945a7b7..3ff1f87 100644
--- a/src/libphigs/ws/wsb_lut.c
+++ b/src/libphigs/ws/wsb_lut.c
@@ -141,21 +141,21 @@ void phg_wsb_destroy_LUTs(
     Ws_output_ws *ows = &ws->out_ws;
 
     if (ows->htab.line)
-       phg_htab_destroy(ows->htab.line, (void(*)())NULL);
+       phg_htab_destroy(ows->htab.line, (void(*)(int, char *))NULL);
     if (ows->htab.marker)
-       phg_htab_destroy(ows->htab.marker, (void(*)())NULL);
+       phg_htab_destroy(ows->htab.marker, (void(*)(int, char *))NULL);
     if (ows->htab.text)
-       phg_htab_destroy(ows->htab.text, (void(*)())NULL);
+       phg_htab_destroy(ows->htab.text, (void(*)(int, char *))NULL);
     if (ows->htab.interior)
-       phg_htab_destroy(ows->htab.interior, (void(*)())NULL);
+       phg_htab_destroy(ows->htab.interior, (void(*)(int, char *))NULL);
     if (ows->htab.edge)
-       phg_htab_destroy(ows->htab.edge, (void(*)())NULL);
+       phg_htab_destroy(ows->htab.edge, (void(*)(int, char*))NULL);
     if (ows->htab.colour)
-       phg_htab_destroy(ows->htab.colour, (void(*)())NULL);
+       phg_htab_destroy(ows->htab.colour, (void(*)(int, char *))NULL);
     if (ows->htab.view)
-       phg_htab_destroy(ows->htab.view, (void(*)())NULL);
+       phg_htab_destroy(ows->htab.view, (void(*)(int, char *))NULL);
     if (ows->htab.light_source)
-       phg_htab_destroy(ows->htab.light_source, (void(*)())NULL);
+       phg_htab_destroy(ows->htab.light_source, (void(*)(int, char *))NULL);
 }
 
 /*******************************************************************************