* \return An offset to space allocated within \blob to which \to_write bytes
* can be written, (or -1 in case of any allocation error).
*/
-ssize_t
+intptr_t
blob_reserve_bytes(struct blob *blob, size_t to_write);
/**
* space. Note that this must be used if later reading with \sa
* blob_read_uint32, since it aligns the offset correctly.
*/
-ssize_t
+intptr_t
blob_reserve_uint32(struct blob *blob);
/**
* space. Note that this must be used if later reading with \sa
* blob_read_intptr, since it aligns the offset correctly.
*/
-ssize_t
+intptr_t
blob_reserve_intptr(struct blob *blob);
/**
void
blob_copy_bytes(struct blob_reader *blob, void *dest, size_t size);
+/**
+ * Skip \size bytes within the blob.
+ */
+void
+blob_skip_bytes(struct blob_reader *blob, size_t size);
+
/**
* Read a uint32_t from the current location, (and update the current location
* to just past this uint32_t).