diff --git a/rastertoptch.c b/rastertoptch.c
index 33e7193..fbde2bc 100644
--- a/rastertoptch.c
+++ b/rastertoptch.c
@@ -1024,6 +1024,13 @@ const unsigned char mirror [0x100] = {
   0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff,
 };
 
+int generate_emit_line (unsigned char*,
+                        unsigned char*,
+                        int,
+                        unsigned char,
+                        int, int, int,
+                        unsigned char);
+
 /**
  * Generate a buffer of pixel data ready to emit.
  * Requirement: buflen + right_padding_bytes
@@ -1248,6 +1255,11 @@ ensure_rle_buf_space (job_options_t* job_options,
   }
 }
 
+void RLE_store_line (job_options_t*,
+                     page_options_t*,
+                     const unsigned char*,
+                     unsigned);
+
 /** @def APPEND_MIXED_BYTES
  * Macro for appending mixed-bytes run to rle_buffer */
 /** @def APPEND_REPEATED_BYTE