RHTTP_GET_HEADER Function
Returns the value of a specified header field from either an initialised HTTP request, or a retrieved HTTP response header.
Syntax
RHTTP_GET_HEADER([request | reply-header], header-field)
Syntax Elements
| request | An initialised HTTP request (see RHTTP_INIT_REQUEST). | 
| reply-header | A retrieved HTTP reply header (see RHTTP_GET_REPLY_HEADER). | 
| header-field | Any valid HTTP header field name (e.g. "Accept", "Host", "Content-Type", etc). |