resolving PR comments

Author: sathishiitd

include/rabbitmq-c/amqp.h

@@ -891,20 +891,16 @@ amqp_bytes_t AMQP_CALL amqp_cstring_bytes(char const *cstr);
  * Wraps a string of bytes in an amqp_bytes_t
  *
  * Takes a string of bytes and its length and creates an
- * amqp_bytes_t that points to it. The string is not duplicated.
- *
- * For a given input cstr and length, The amqp_bytes_t output.bytes is the
- * same as cstr, length is the length of the string not including
- * the \0 terminator
+ * amqp_bytes_t that points to it. The input is not duplicated.
  *
- * \param [in] cstr the string of bytes to wrap
+ * \param [in] ptr the string of bytes to wrap
  * \param [in] length the length of the string
  * \return an amqp_bytes_t that describes the string
  *
  * \since v0.16
  */
 AMQP_EXPORT
-amqp_bytes_t AMQP_CALL amqp_bytes_from_buffer(char const *cstr, size_t length);
+amqp_bytes_t AMQP_CALL amqp_bytes_from_buffer(void const *ptr, size_t length);
 
 /**
  * Duplicates an amqp_bytes_t buffer.