diff --git a/easysock.h b/easysock.h
index b0f5d90..a70b21f 100644
--- a/easysock.h
+++ b/easysock.h
@@ -60,4 +60,10 @@ AF_INET6 respectively. */
 
 int int_to_inet(int network);
 
+/* char_to_socktype - Takes a character that represents a transport-layer protocol
+(currently only supports 'T' for TCP or 'U' for UDP - exits with error code 250 if 
+the given characters is neither of these) and return the appropriate SOCKTYPE value. */
+
+int char_to_socktype(char transport);
+
 #endif