--- a/src/core/ngx_hunk.c
+++ b/src/core/ngx_hunk.c
@@ -8,12 +8,12 @@ ngx_hunk_t *ngx_get_hunk(ngx_pool_t *poo
     ngx_hunk_t *h = ngx_palloc(pool, sizeof(ngx_hunk_t));
 
 #ifndef OFF_EQUAL_PTR
-    h->pos.f = h->last.f = 0;
+    h->pos.file = h->last.file = 0;
 #endif
 
     h->pre_start = ngx_palloc(pool, size + before + after);
-    h->start = h->pos.p = h->last.p = h->pre_start + before;
-    h->end = h->last.p + size;
+    h->start = h->pos.mem = h->last.mem = h->pre_start + before;
+    h->end = h->last.mem + size;
     h->post_end = h->end + after;
 
     h->type = NGX_HUNK_TEMP;
@@ -28,21 +28,22 @@ ngx_hunk_t *ngx_get_hunk_before(ngx_pool
     ngx_hunk_t *h = ngx_palloc(pool, sizeof(ngx_hunk_t));
 
 #ifndef OFF_EQUAL_PTR
-    h->pos.f = h->last.f = 0;
+    h->pos.file = h->last.file = 0;
 #endif
  
-    if (hunk->type & NGX_HUNK_TEMP && hunk->pos.p - hunk->pre_start >= size) {
+    if (hunk->type & NGX_HUNK_TEMP && hunk->pos.mem - hunk->pre_start >= size) {
         /* keep hunk->start unchanged - used in restore */
         h->pre_start = hunk->pre_start;
-        h->end = h->post_end = hunk->pre_start = hunk->pos.p;
-        h->start = h->pos.p = h->last.p = h->end - size;
+        h->end = h->post_end = hunk->pre_start = hunk->pos.mem;
+        h->start = h->pos.mem = h->last.mem = h->end - size;
 
         h->type = NGX_HUNK_TEMP;
         h->tag = 0;
         h->fd = (ngx_file_t) -1;
 
     } else {
-        h->pre_start = h->start = h->pos.p = h->last.p = ngx_palloc(pool, size);
+        h->pre_start = h->start = h->pos.mem = h->last.mem
+                                                      = ngx_palloc(pool, size);
         h->end = h->post_end = h->start + size;
 
         h->type = NGX_HUNK_TEMP;
@@ -58,22 +59,23 @@ ngx_hunk_t *ngx_get_hunk_after(ngx_pool_
     ngx_hunk_t *h = ngx_palloc(pool, sizeof(ngx_hunk_t));
 
 #ifndef OFF_EQUAL_PTR
-    h->pos.f = h->last.f = 0;
+    h->pos.file = h->last.file = 0;
 #endif
 
     if (hunk->type & NGX_HUNK_TEMP
-        && hunk->last.p == hunk->end
+        && hunk->last.mem == hunk->end
         && hunk->post_end - hunk->end >= size)
     {
         h->post_end = hunk->post_end;
-        h->pre_start = h->start = h->pos.p = h->last.p = hunk->post_end =
-                                                                  hunk->last.p;
+        h->pre_start = h->start = h->pos.mem = h->last.mem = hunk->post_end =
+                                                                hunk->last.mem;
         h->type = NGX_HUNK_TEMP;
         h->tag = 0;
         h->fd = (ngx_file_t) -1;
 
     } else {
-        h->pre_start = h->start = h->pos.p = h->last.p = ngx_palloc(pool, size);
+        h->pre_start = h->start = h->pos.mem = h->last.mem =
+                                                        ngx_palloc(pool, size);
         h->end = h->post_end = h->start + size;
 
         h->type = NGX_HUNK_TEMP;