Add syntax highlighting to README C code

README.md

@@ -36,7 +36,7 @@ Usage
 One `http_parser` object is used per TCP connection. Initialize the struct
 using `http_parser_init()` and set the callbacks. That might look something
 like this for a request parser:
-
+```c
 http_parser_settings settings;
 settings.on_url = my_url_callback;
 settings.on_header_field = my_header_field_callback;
@@ -45,9 +45,11 @@ like this for a request parser:
 http_parser *parser = malloc(sizeof(http_parser));
 http_parser_init(parser, HTTP_REQUEST);
 parser->data = my_socket;
+```
 
 When data is received on the socket execute the parser and check for errors.
 
+```c
 size_t len = 80*1024, nparsed;
 char buf[len];
 ssize_t recved;
@@ -68,6 +70,7 @@ When data is received on the socket execute the parser and check for errors.
 } else if (nparsed != recved) {
   /* Handle error. Usually just close the connection. */
 }
+```
 
 HTTP needs to know where the end of the stream is. For example, sometimes
 servers send responses without Content-Length and expect the client to