tools: Simple echo application

This adds a simple echo application written to show application how to
use the API. It also updates the dev.h header file with the insights
gained from performing this excercise.

1 files changed, 0 insertions, 2 deletions

diff --git a/include/ouroboros/common.h b/include/ouroboros/common.h
index 1ff4267b..7114ed73 100644
--- a/include/ouroboros/common.h
+++ b/include/ouroboros/common.h
@@ -28,8 +28,6 @@
 #include <stdbool.h>
 #include <errno.h>
 
-typedef uint32_t port_id_t;
-
 typedef struct {
         uint8_t * data;
         size_t    size;