Change PyBuffer to Py_buffer to be consistent with other non-object structures like Py_complex. Add some more functionality to the memoryview object.
diff --git a/Modules/mmapmodule.c b/Modules/mmapmodule.c
index cbea1c4..c2ed5d1 100644
--- a/Modules/mmapmodule.c
+++ b/Modules/mmapmodule.c
@@ -601,7 +601,7 @@
/* Functions for treating an mmap'ed file as a buffer */
static int
-mmap_buffer_getbuf(mmap_object *self, PyBuffer *view, int flags)
+mmap_buffer_getbuf(mmap_object *self, Py_buffer *view, int flags)
{
CHECK_VALID(-1);
if (PyBuffer_FillInfo(view, self->data, self->size,
@@ -612,7 +612,7 @@
}
static void
-mmap_buffer_releasebuf(mmap_object *self, PyBuffer *view)
+mmap_buffer_releasebuf(mmap_object *self, Py_buffer *view)
{
self->exports--;
}