Syntax
Parameters
call   _In_Type: XblHttpCallHandle The handle of the HTTP call. headerName   _In_z_
Type: char* UTF-8 encoded response header name for the HTTP call. The memory for the returned string pointer remains valid for the life of the XblHttpCallHandle object until XblHttpCallCloseHandle() is called on it. headerValue   _Out_
Type: char** UTF-8 encoded response header value for the HTTP call. Returns nullptr if the header doesn’t exist. The memory for the returned string pointer remains valid for the life of the XblHttpCallHandle object until XblHttpCallCloseHandle() is called on it.
