diff --git a/lib/blob.c b/lib/blob.c
index 4a936093..22a9c7ed 100644
--- a/lib/blob.c
+++ b/lib/blob.c
@@ -22,10 +22,11 @@ pic_blob_value(pic_state *pic, const unsigned char *buf, int len)
 unsigned char *
 pic_blob(pic_state *pic, pic_value blob, int *len)
 {
+  struct blob *bv = blob_ptr(pic, blob);
   if (len) {
-    *len = pic_blob_ptr(pic, blob)->len;
+    *len = bv->len;
   }
-  return pic_blob_ptr(pic, blob)->data;
+  return bv->data;
 }
 
 static pic_value
diff --git a/lib/data.c b/lib/data.c
index 9a5ad178..571a41aa 100644
--- a/lib/data.c
+++ b/lib/data.c
@@ -11,13 +11,13 @@ pic_data_p(pic_state *pic, pic_value obj, const pic_data_type *type)
   if (pic_type(pic, obj) != PIC_TYPE_DATA) {
     return false;
   }
-  return type == NULL || pic_data_ptr(pic, obj)->type == type;
+  return type == NULL || data_ptr(pic, obj)->type == type;
 }
 
 void *
 pic_data(pic_state *PIC_UNUSED(pic), pic_value data)
 {
-  return pic_data_ptr(pic, data)->data;
+  return data_ptr(pic, data)->data;
 }
 
 pic_value
diff --git a/lib/debug.c b/lib/debug.c
index 85ffa351..b76d37e0 100644
--- a/lib/debug.c
+++ b/lib/debug.c
@@ -45,7 +45,7 @@ pic_print_error(pic_state *pic, pic_value port, pic_value err)
     struct error *e;
     pic_value elem, it;
 
-    e = pic_error_ptr(pic, err);
+    e = error_ptr(pic, err);
     if (! pic_eq_p(pic, obj_value(pic, e->type), pic_intern_lit(pic, ""))) {
       pic_fprintf(pic, port, "~s-", obj_value(pic, e->type));
     }
diff --git a/lib/dict.c b/lib/dict.c
index 4b453e9a..eb7a6710 100644
--- a/lib/dict.c
+++ b/lib/dict.c
@@ -20,10 +20,10 @@ pic_make_dict(pic_state *pic)
 pic_value
 pic_dict_ref(pic_state *pic, pic_value dict, pic_value key)
 {
-  khash_t(dict) *h = &pic_dict_ptr(pic, dict)->hash;
+  khash_t(dict) *h = &dict_ptr(pic, dict)->hash;
   int it;
 
-  it = kh_get(dict, h, pic_sym_ptr(pic, key));
+  it = kh_get(dict, h, sym_ptr(pic, key));
   if (it == kh_end(h)) {
     pic_error(pic, "element not found for given key", 1, key);
   }
@@ -33,35 +33,35 @@ pic_dict_ref(pic_state *pic, pic_value dict, pic_value key)
 void
 pic_dict_set(pic_state *pic, pic_value dict, pic_value key, pic_value val)
 {
-  khash_t(dict) *h = &pic_dict_ptr(pic, dict)->hash;
+  khash_t(dict) *h = &dict_ptr(pic, dict)->hash;
   int ret;
   int it;
 
-  it = kh_put(dict, h, pic_sym_ptr(pic, key), &ret);
+  it = kh_put(dict, h, sym_ptr(pic, key), &ret);
   kh_val(h, it) = val;
 }
 
 int
 pic_dict_size(pic_state *PIC_UNUSED(pic), pic_value dict)
 {
-  return kh_size(&pic_dict_ptr(pic, dict)->hash);
+  return kh_size(&dict_ptr(pic, dict)->hash);
 }
 
 bool
 pic_dict_has(pic_state *pic, pic_value dict, pic_value key)
 {
-  khash_t(dict) *h = &pic_dict_ptr(pic, dict)->hash;
+  khash_t(dict) *h = &dict_ptr(pic, dict)->hash;
 
-  return kh_get(dict, h, pic_sym_ptr(pic, key)) != kh_end(h);
+  return kh_get(dict, h, sym_ptr(pic, key)) != kh_end(h);
 }
 
 void
 pic_dict_del(pic_state *pic, pic_value dict, pic_value key)
 {
-  khash_t(dict) *h = &pic_dict_ptr(pic, dict)->hash;
+  khash_t(dict) *h = &dict_ptr(pic, dict)->hash;
   int it;
 
-  it = kh_get(dict, h, pic_sym_ptr(pic, key));
+  it = kh_get(dict, h, sym_ptr(pic, key));
   if (it == kh_end(h)) {
     pic_error(pic, "element not found for given key", 1, key);
   }
@@ -71,7 +71,7 @@ pic_dict_del(pic_state *pic, pic_value dict, pic_value key)
 bool
 pic_dict_next(pic_state *PIC_UNUSED(pic), pic_value dict, int *iter, pic_value *key, pic_value *val)
 {
-  khash_t(dict) *h = &pic_dict_ptr(pic, dict)->hash;
+  khash_t(dict) *h = &dict_ptr(pic, dict)->hash;
   int it = *iter;
 
   for (it = *iter; it != kh_end(h); ++it) {
diff --git a/lib/error.c b/lib/error.c
index 98e77f22..d96c3e5b 100644
--- a/lib/error.c
+++ b/lib/error.c
@@ -88,10 +88,10 @@ pic_make_error(pic_state *pic, const char *type, const char *msg, pic_value irrs
   stack = pic_get_backtrace(pic);
 
   e = (struct error *)pic_obj_alloc(pic, sizeof(struct error), PIC_TYPE_ERROR);
-  e->type = pic_sym_ptr(pic, ty);
-  e->msg = pic_str_ptr(pic, pic_cstr_value(pic, msg));
+  e->type = sym_ptr(pic, ty);
+  e->msg = str_ptr(pic, pic_cstr_value(pic, msg));
   e->irrs = irrs;
-  e->stack = pic_str_ptr(pic, stack);
+  e->stack = str_ptr(pic, stack);
 
   return obj_value(pic, e);
 }
@@ -228,7 +228,7 @@ pic_error_error_object_message(pic_state *pic)
 
   TYPE_CHECK(pic, e, error);
 
-  return obj_value(pic, pic_error_ptr(pic, e)->msg);
+  return obj_value(pic, error_ptr(pic, e)->msg);
 }
 
 static pic_value
@@ -240,7 +240,7 @@ pic_error_error_object_irritants(pic_state *pic)
 
   TYPE_CHECK(pic, e, error);
 
-  return pic_error_ptr(pic, e)->irrs;
+  return error_ptr(pic, e)->irrs;
 }
 
 static pic_value
@@ -252,7 +252,7 @@ pic_error_error_object_type(pic_state *pic)
 
   TYPE_CHECK(pic, e, error);
 
-  return obj_value(pic, pic_error_ptr(pic, e)->type);
+  return obj_value(pic, error_ptr(pic, e)->type);
 }
 
 void
diff --git a/lib/ext/load.c b/lib/ext/load.c
index 104b1210..9b6a033b 100644
--- a/lib/ext/load.c
+++ b/lib/ext/load.c
@@ -535,7 +535,7 @@ index_global(pic_state *pic, codegen_context *cxt, pic_value name)
 
   check_pool_size(pic, cxt);
   pidx = (int)cxt->plen++;
-  cxt->pool[pidx] = (struct object *)pic_sym_ptr(pic, name);
+  cxt->pool[pidx] = (struct object *)sym_ptr(pic, name);
 
   return pidx;
 }
diff --git a/lib/ext/read.c b/lib/ext/read.c
index d20e9ff6..e79f5204 100644
--- a/lib/ext/read.c
+++ b/lib/ext/read.c
@@ -531,8 +531,8 @@ read_label_set(pic_state *pic, pic_value port, int i, struct reader_control *p)
       kh_val(h, it) = val = pic_cons(pic, pic_undef_value(pic), pic_undef_value(pic));
 
       tmp = read_value(pic, port, c, p);
-      pic_pair_ptr(pic, val)->car = pic_car(pic, tmp);
-      pic_pair_ptr(pic, val)->cdr = pic_cdr(pic, tmp);
+      pair_ptr(pic, val)->car = pic_car(pic, tmp);
+      pair_ptr(pic, val)->cdr = pic_cdr(pic, tmp);
 
       return val;
     }
@@ -552,8 +552,8 @@ read_label_set(pic_state *pic, pic_value port, int i, struct reader_control *p)
         kh_val(h, it) = val = pic_make_vec(pic, 0, NULL);
 
         tmp = read_value(pic, port, c, p);
-        PIC_SWAP(pic_value *, pic_vec_ptr(pic, tmp)->data, pic_vec_ptr(pic, val)->data);
-        PIC_SWAP(int, pic_vec_ptr(pic, tmp)->len, pic_vec_ptr(pic, val)->len);
+        PIC_SWAP(pic_value *, vec_ptr(pic, tmp)->data, vec_ptr(pic, val)->data);
+        PIC_SWAP(int, vec_ptr(pic, tmp)->len, vec_ptr(pic, val)->len);
 
         return val;
       }
diff --git a/lib/object.h b/lib/object.h
index 19321862..1b0e7d75 100644
--- a/lib/object.h
+++ b/lib/object.h
@@ -233,11 +233,11 @@ obj_value(pic_state *PIC_UNUSED(pic), void *ptr)
 
 #endif  /* NAN_BOXING */
 
-#define DEFPTR(name,type)                                               \
-  PIC_STATIC_INLINE type *                                              \
-  pic_##name##_ptr(pic_state *PIC_UNUSED(pic), pic_value o) {           \
-    assert(pic_##name##_p(pic,o));                                      \
-    return (type *) obj_ptr(pic, o);                                    \
+#define DEFPTR(name,type)                               \
+  PIC_STATIC_INLINE type *                              \
+  name##_ptr(pic_state *PIC_UNUSED(pic), pic_value o) { \
+    assert(pic_##name##_p(pic,o));                      \
+    return (type *) obj_ptr(pic, o);                    \
   }
 
 #define pic_data_p(pic,o) (pic_data_p(pic,o,NULL))
diff --git a/lib/pair.c b/lib/pair.c
index 04ee7218..a1380e99 100644
--- a/lib/pair.c
+++ b/lib/pair.c
@@ -23,7 +23,7 @@ pic_car(pic_state *pic, pic_value obj)
   if (! pic_pair_p(pic, obj)) {
     pic_error(pic, "car: pair required", 1, obj);
   }
-  return pic_pair_ptr(pic, obj)->car;
+  return pair_ptr(pic, obj)->car;
 }
 
 pic_value
@@ -32,7 +32,7 @@ pic_cdr(pic_state *pic, pic_value obj)
   if (! pic_pair_p(pic, obj)) {
     pic_error(pic, "cdr: pair required", 1, obj);
   }
-  return pic_pair_ptr(pic, obj)->cdr;
+  return pair_ptr(pic, obj)->cdr;
 }
 
 void
@@ -41,7 +41,7 @@ pic_set_car(pic_state *pic, pic_value obj, pic_value val)
   if (! pic_pair_p(pic, obj)) {
     pic_error(pic, "pair required", 0);
   }
-  pic_pair_ptr(pic, obj)->car = val;
+  pair_ptr(pic, obj)->car = val;
 }
 
 void
@@ -50,7 +50,7 @@ pic_set_cdr(pic_state *pic, pic_value obj, pic_value val)
   if (! pic_pair_p(pic, obj)) {
     pic_error(pic, "pair required", 0);
   }
-  pic_pair_ptr(pic, obj)->cdr = val;
+  pair_ptr(pic, obj)->cdr = val;
 }
 
 pic_value
@@ -91,7 +91,7 @@ pic_list_p(pic_state *pic, pic_value obj)
     /* advance rapid fast-forward; runs 2x faster than local */
     for (i = 0; i < 2; ++i) {
       if (pic_pair_p(pic, rapid)) {
-        rapid = pic_pair_ptr(pic, rapid)->cdr;
+        rapid = pair_ptr(pic, rapid)->cdr;
       }
       else {
         return pic_nil_p(pic, rapid);
@@ -99,7 +99,7 @@ pic_list_p(pic_state *pic, pic_value obj)
     }
 
     /* advance local */
-    local = pic_pair_ptr(pic, local)->cdr;
+    local = pair_ptr(pic, local)->cdr;
 
     if (pic_eq_p(pic, local, rapid)) {
       return false;
@@ -153,7 +153,7 @@ pic_list_ref(pic_state *pic, pic_value list, int i)
 void
 pic_list_set(pic_state *pic, pic_value list, int i, pic_value obj)
 {
-  pic_pair_ptr(pic, pic_list_tail(pic, list, i))->car = obj;
+  pair_ptr(pic, pic_list_tail(pic, list, i))->car = obj;
 }
 
 pic_value
diff --git a/lib/port.c b/lib/port.c
index b17a6184..07af1bd5 100644
--- a/lib/port.c
+++ b/lib/port.c
@@ -16,7 +16,7 @@ pic_port_p(pic_state *pic, pic_value obj, const pic_port_type *type)
   if (pic_type(pic, obj) != PIC_TYPE_PORT) {
     return false;
   }
-  return type == NULL || pic_port_ptr(pic, obj)->file.vtable == type;
+  return type == NULL || port_ptr(pic, obj)->file.vtable == type;
 }
 
 pic_value
@@ -37,7 +37,7 @@ pic_funopen(pic_state *pic, void *cookie, const pic_port_type *type)
 int
 pic_fclose(pic_state *pic, pic_value port)
 {
-  struct file *fp = &pic_port_ptr(pic, port)->file;
+  struct file *fp = &port_ptr(pic, port)->file;
 
   if (fp->flag == 0)
     return 0;
@@ -51,7 +51,7 @@ pic_fclose(pic_state *pic, pic_value port)
 void
 pic_clearerr(pic_state *PIC_UNUSED(pic), pic_value port)
 {
-  struct file *fp = &pic_port_ptr(pic, port)->file;
+  struct file *fp = &port_ptr(pic, port)->file;
 
   fp->flag &= ~(FILE_EOF | FILE_ERR);
 }
@@ -59,7 +59,7 @@ pic_clearerr(pic_state *PIC_UNUSED(pic), pic_value port)
 int
 pic_feof(pic_state *PIC_UNUSED(pic), pic_value port)
 {
-  struct file *fp = &pic_port_ptr(pic, port)->file;
+  struct file *fp = &port_ptr(pic, port)->file;
 
   return (fp->flag & FILE_EOF) != 0;
 }
@@ -67,7 +67,7 @@ pic_feof(pic_state *PIC_UNUSED(pic), pic_value port)
 int
 pic_ferror(pic_state *PIC_UNUSED(pic), pic_value port)
 {
-  struct file *fp = &pic_port_ptr(pic, port)->file;
+  struct file *fp = &port_ptr(pic, port)->file;
 
   return (fp->flag & FILE_ERR) != 0;
 }
@@ -164,7 +164,7 @@ flushbuf(pic_state *pic, int x, struct file *fp)
 int
 pic_fflush(pic_state *pic, pic_value port)
 {
-  struct file *fp = &pic_port_ptr(pic, port)->file;
+  struct file *fp = &port_ptr(pic, port)->file;
   int retval;
 
   retval = 0;
@@ -188,7 +188,7 @@ pic_fflush(pic_state *pic, pic_value port)
 int
 pic_fputc(pic_state *pic, int x, pic_value port)
 {
-  struct file *fp = &pic_port_ptr(pic, port)->file;
+  struct file *fp = &port_ptr(pic, port)->file;
 
   return putc_(pic, x, fp);
 }
@@ -196,7 +196,7 @@ pic_fputc(pic_state *pic, int x, pic_value port)
 int
 pic_fgetc(pic_state *pic, pic_value port)
 {
-  struct file *fp = &pic_port_ptr(pic, port)->file;
+  struct file *fp = &port_ptr(pic, port)->file;
 
   return getc_(pic, fp);
 }
@@ -204,7 +204,7 @@ pic_fgetc(pic_state *pic, pic_value port)
 int
 pic_fputs(pic_state *pic, const char *s, pic_value port)
 {
-  struct file *fp = &pic_port_ptr(pic, port)->file;
+  struct file *fp = &port_ptr(pic, port)->file;
 
   const char *ptr = s;
   while(*ptr != '\0') {
@@ -218,7 +218,7 @@ pic_fputs(pic_state *pic, const char *s, pic_value port)
 char *
 pic_fgets(pic_state *pic, char *s, int size, pic_value port)
 {
-  struct file *fp = &pic_port_ptr(pic, port)->file;
+  struct file *fp = &port_ptr(pic, port)->file;
   int c = 0;
   char *buf;
 
@@ -240,7 +240,7 @@ pic_fgets(pic_state *pic, char *s, int size, pic_value port)
 int
 pic_ungetc(pic_state *PIC_UNUSED(pic), int c, pic_value port)
 {
-  struct file *fp = &pic_port_ptr(pic, port)->file;
+  struct file *fp = &port_ptr(pic, port)->file;
   unsigned char uc = c;
 
   if (c == EOF || fp->base == fp->ptr) {
@@ -253,7 +253,7 @@ pic_ungetc(pic_state *PIC_UNUSED(pic), int c, pic_value port)
 size_t
 pic_fread(pic_state *pic, void *ptr, size_t size, size_t count, pic_value port)
 {
-  struct file *fp = &pic_port_ptr(pic, port)->file;
+  struct file *fp = &port_ptr(pic, port)->file;
   char *bptr = ptr;
   long nbytes;
   int c;
@@ -279,7 +279,7 @@ pic_fread(pic_state *pic, void *ptr, size_t size, size_t count, pic_value port)
 size_t
 pic_fwrite(pic_state *pic, const void *ptr, size_t size, size_t count, pic_value port)
 {
-  struct file *fp = &pic_port_ptr(pic, port)->file;
+  struct file *fp = &port_ptr(pic, port)->file;
   const char *bptr = ptr;
   long nbytes;
 
@@ -302,7 +302,7 @@ pic_fwrite(pic_state *pic, const void *ptr, size_t size, size_t count, pic_value
 long
 pic_fseek(pic_state *pic, pic_value port, long offset, int whence)
 {
-  struct file *fp = &pic_port_ptr(pic, port)->file;
+  struct file *fp = &port_ptr(pic, port)->file;
   long s;
 
   pic_fflush(pic, port);
@@ -520,7 +520,7 @@ pic_fmemopen(pic_state *pic, const char *data, int size, const char *mode)
 int
 pic_fgetbuf(pic_state *pic, pic_value port, const char **buf, int *len)
 {
-  struct file *fp = &pic_port_ptr(pic, port)->file;
+  struct file *fp = &port_ptr(pic, port)->file;
   xbuf_t *s;
 
   pic_fflush(pic, port);
@@ -541,7 +541,7 @@ pic_port_input_port_p(pic_state *pic)
 
   pic_get_args(pic, "o", &v);
 
-  if (pic_port_p(pic, v, NULL) && (pic_port_ptr(pic, v)->file.flag & FILE_READ) != 0) {
+  if (pic_port_p(pic, v, NULL) && (port_ptr(pic, v)->file.flag & FILE_READ) != 0) {
     return pic_true_value(pic);
   } else {
     return pic_false_value(pic);
@@ -555,7 +555,7 @@ pic_port_output_port_p(pic_state *pic)
 
   pic_get_args(pic, "o", &v);
 
-  if (pic_port_p(pic, v, NULL) && (pic_port_ptr(pic, v)->file.flag & FILE_WRITE) != 0) {
+  if (pic_port_p(pic, v, NULL) && (port_ptr(pic, v)->file.flag & FILE_WRITE) != 0) {
     return pic_true_value(pic);
   }
   else {
@@ -598,7 +598,7 @@ pic_port_port_open_p(pic_state *pic)
 
   pic_get_args(pic, "p", &port);
 
-  return pic_bool_value(pic, pic_port_ptr(pic, port)->file.flag != 0);
+  return pic_bool_value(pic, port_ptr(pic, port)->file.flag != 0);
 }
 
 static pic_value
@@ -614,7 +614,7 @@ pic_port_close_port(pic_state *pic)
 }
 
 #define assert_port_profile(port, flags, caller) do {           \
-    int flag = pic_port_ptr(pic, port)->file.flag;              \
+    int flag = port_ptr(pic, port)->file.flag;                  \
     if ((flag & (flags)) != (flags)) {                          \
       switch (flags) {                                          \
       case FILE_WRITE:                                          \
diff --git a/lib/proc.c b/lib/proc.c
index 392e27e5..d6c7b053 100644
--- a/lib/proc.c
+++ b/lib/proc.c
@@ -268,10 +268,10 @@ pic_closure_ref(pic_state *pic, int n)
 {
   pic_value self = GET_PROC(pic);
 
-  if (n < 0 || pic_proc_ptr(pic, self)->u.f.localc <= n) {
+  if (n < 0 || proc_ptr(pic, self)->u.f.localc <= n) {
     pic_error(pic, "pic_closure_ref: index out of range", 1, pic_int_value(pic, n));
   }
-  return pic_proc_ptr(pic, self)->locals[n];
+  return proc_ptr(pic, self)->locals[n];
 }
 
 void
@@ -279,10 +279,10 @@ pic_closure_set(pic_state *pic, int n, pic_value v)
 {
   pic_value self = GET_PROC(pic);
 
-  if (n < 0 || pic_proc_ptr(pic, self)->u.f.localc <= n) {
+  if (n < 0 || proc_ptr(pic, self)->u.f.localc <= n) {
     pic_error(pic, "pic_closure_ref: index out of range", 1, pic_int_value(pic, n));
   }
-  pic_proc_ptr(pic, self)->locals[n] = v;
+  proc_ptr(pic, self)->locals[n] = v;
 }
 
 static void
@@ -525,7 +525,7 @@ pic_apply(pic_state *pic, pic_value proc, int argc, pic_value *argv)
       if (! pic_proc_p(pic, x)) {
 	pic_error(pic, "invalid application", 1, x);
       }
-      proc = pic_proc_ptr(pic, x);
+      proc = proc_ptr(pic, x);
 
       if (pic->sp >= pic->stend) {
         pic_panic(pic, "VM stack overflow");
diff --git a/lib/record.c b/lib/record.c
index 36e85216..2a2dccb7 100644
--- a/lib/record.c
+++ b/lib/record.c
@@ -20,13 +20,13 @@ pic_make_record(pic_state *pic, pic_value type, pic_value datum)
 pic_value
 pic_record_type(pic_state *pic, pic_value rec)
 {
-  return pic_rec_ptr(pic, rec)->type;
+  return rec_ptr(pic, rec)->type;
 }
 
 pic_value
 pic_record_datum(pic_state *pic, pic_value rec)
 {
-  return pic_rec_ptr(pic, rec)->datum;
+  return rec_ptr(pic, rec)->datum;
 }
 
 static pic_value
diff --git a/lib/string.c b/lib/string.c
index 78379d1e..b7933340 100644
--- a/lib/string.c
+++ b/lib/string.c
@@ -192,9 +192,9 @@ flatten(pic_state *pic, struct rope *rope, struct rope *owner, char *buf)
 static void
 str_update(pic_state *pic, pic_value dst, pic_value src)
 {
-  pic_rope_incref(pic_str_ptr(pic, src)->rope);
-  pic_rope_decref(pic, pic_str_ptr(pic, dst)->rope);
-  pic_str_ptr(pic, dst)->rope = pic_str_ptr(pic, src)->rope;
+  pic_rope_incref(str_ptr(pic, src)->rope);
+  pic_rope_decref(pic, str_ptr(pic, dst)->rope);
+  str_ptr(pic, dst)->rope = str_ptr(pic, src)->rope;
 }
 
 pic_value
@@ -251,25 +251,25 @@ pic_vstrf_value(pic_state *pic, const char *fmt, va_list ap)
 int
 pic_str_len(pic_state *PIC_UNUSED(pic), pic_value str)
 {
-  return pic_str_ptr(pic, str)->rope->weight;
+  return str_ptr(pic, str)->rope->weight;
 }
 
 pic_value
 pic_str_cat(pic_state *pic, pic_value a, pic_value b)
 {
-  return make_str(pic, merge(pic, pic_str_ptr(pic, a)->rope, pic_str_ptr(pic, b)->rope));
+  return make_str(pic, merge(pic, str_ptr(pic, a)->rope, str_ptr(pic, b)->rope));
 }
 
 pic_value
 pic_str_sub(pic_state *pic, pic_value str, int s, int e)
 {
-  return make_str(pic, slice(pic, pic_str_ptr(pic, str)->rope, s, e));
+  return make_str(pic, slice(pic, str_ptr(pic, str)->rope, s, e));
 }
 
 const char *
 pic_str(pic_state *pic, pic_value str, int *len)
 {
-  struct rope *rope = pic_str_ptr(pic, str)->rope, *r;
+  struct rope *rope = str_ptr(pic, str)->rope, *r;
 
   if (len) {
     *len = rope->weight;
diff --git a/lib/symbol.c b/lib/symbol.c
index 6b45a4fb..0f99660e 100644
--- a/lib/symbol.c
+++ b/lib/symbol.c
@@ -20,7 +20,7 @@ pic_intern(pic_state *pic, pic_value str)
   int it;
   int ret;
 
-  it = kh_put(oblist, h, pic_str_ptr(pic, str), &ret);
+  it = kh_put(oblist, h, str_ptr(pic, str), &ret);
   if (ret == 0) {               /* if exists */
     sym = kh_val(h, it);
     pic_protect(pic, obj_value(pic, sym));
@@ -30,16 +30,16 @@ pic_intern(pic_state *pic, pic_value str)
   kh_val(h, it) = NULL;         /* dummy */
 
   sym = (struct symbol *)pic_obj_alloc(pic, sizeof(struct symbol), PIC_TYPE_SYMBOL);
-  sym->str = pic_str_ptr(pic, str);
+  sym->str = str_ptr(pic, str);
   kh_val(h, it) = sym;
 
   return obj_value(pic, sym);
 }
 
 pic_value
-pic_sym_name(pic_state *PIC_UNUSED(pic), pic_value sym)
+pic_sym_name(pic_state *pic, pic_value sym)
 {
-  return obj_value(pic, pic_sym_ptr(pic, sym)->str);
+  return obj_value(pic, sym_ptr(pic, sym)->str);
 }
 
 static pic_value
diff --git a/lib/vector.c b/lib/vector.c
index 94e87d58..2925f884 100644
--- a/lib/vector.c
+++ b/lib/vector.c
@@ -27,19 +27,19 @@ pic_make_vec(pic_state *pic, int len, pic_value *argv)
 pic_value
 pic_vec_ref(pic_state *PIC_UNUSED(pic), pic_value vec, int k)
 {
-  return pic_vec_ptr(pic, vec)->data[k];
+  return vec_ptr(pic, vec)->data[k];
 }
 
 void
 pic_vec_set(pic_state *PIC_UNUSED(pic), pic_value vec, int k, pic_value val)
 {
-  pic_vec_ptr(pic, vec)->data[k] = val;
+  vec_ptr(pic, vec)->data[k] = val;
 }
 
 int
 pic_vec_len(pic_state *PIC_UNUSED(pic), pic_value vec)
 {
-  return pic_vec_ptr(pic, vec)->len;
+  return vec_ptr(pic, vec)->len;
 }
 
 static pic_value
@@ -142,7 +142,7 @@ pic_vec_vector_copy_i(pic_state *pic)
 
   VALID_ATRANGE(pic, tolen, at, fromlen, start, end);
 
-  memmove(pic_vec_ptr(pic, to)->data + at, pic_vec_ptr(pic, from)->data + start, sizeof(pic_value) * (end - start));
+  memmove(vec_ptr(pic, to)->data + at, vec_ptr(pic, from)->data + start, sizeof(pic_value) * (end - start));
 
   return pic_undef_value(pic);
 }
@@ -166,7 +166,7 @@ pic_vec_vector_copy(pic_state *pic)
 
   VALID_RANGE(pic, fromlen, start, end);
 
-  return pic_make_vec(pic, end - start, pic_vec_ptr(pic, from)->data + start);
+  return pic_make_vec(pic, end - start, vec_ptr(pic, from)->data + start);
 }
 
 static pic_value
@@ -188,7 +188,7 @@ pic_vec_vector_append(pic_state *pic)
   len = 0;
   for (i = 0; i < argc; ++i) {
     int l = pic_vec_len(pic, argv[i]);
-    memcpy(pic_vec_ptr(pic, vec)->data + len, pic_vec_ptr(pic, argv[i])->data, sizeof(pic_value) * l);
+    memcpy(vec_ptr(pic, vec)->data + len, vec_ptr(pic, argv[i])->data, sizeof(pic_value) * l);
     len += l;
   }
 
diff --git a/lib/weak.c b/lib/weak.c
index b130f6f2..7308722a 100644
--- a/lib/weak.c
+++ b/lib/weak.c
@@ -22,7 +22,7 @@ pic_make_weak(pic_state *pic)
 pic_value
 pic_weak_ref(pic_state *pic, pic_value weak, pic_value key)
 {
-  khash_t(weak) *h = &pic_weak_ptr(pic, weak)->hash;
+  khash_t(weak) *h = &weak_ptr(pic, weak)->hash;
   int it;
 
   it = kh_get(weak, h, obj_ptr(pic, key));
@@ -35,7 +35,7 @@ pic_weak_ref(pic_state *pic, pic_value weak, pic_value key)
 void
 pic_weak_set(pic_state *pic, pic_value weak, pic_value key, pic_value val)
 {
-  khash_t(weak) *h = &pic_weak_ptr(pic, weak)->hash;
+  khash_t(weak) *h = &weak_ptr(pic, weak)->hash;
   int ret;
   int it;
 
@@ -46,7 +46,7 @@ pic_weak_set(pic_state *pic, pic_value weak, pic_value key, pic_value val)
 bool
 pic_weak_has(pic_state *pic, pic_value weak, pic_value key)
 {
-  khash_t(weak) *h = &pic_weak_ptr(pic, weak)->hash;
+  khash_t(weak) *h = &weak_ptr(pic, weak)->hash;
 
   return kh_get(weak, h, obj_ptr(pic, key)) != kh_end(h);
 }
@@ -54,7 +54,7 @@ pic_weak_has(pic_state *pic, pic_value weak, pic_value key)
 void
 pic_weak_del(pic_state *pic, pic_value weak, pic_value key)
 {
-  khash_t(weak) *h = &pic_weak_ptr(pic, weak)->hash;
+  khash_t(weak) *h = &weak_ptr(pic, weak)->hash;
   int it;
 
   it = kh_get(weak, h, obj_ptr(pic, key));