Convenience function to set the response body of a #SoupMessage. If @content_type is %NULL, the response body must be empty as well.
MIME Content-Type of the body
a #SoupMemoryUse describing how to handle @resp_body
a data buffer containing the body of the message response.
See Implementation
Convenience function to set the response body of a #SoupMessage. If @content_type is %NULL, the response body must be empty as well.