PROGRESSFUNCTION
# Server-side
HTTP/1.1 204 PARTIAL
X-Comment: partial response to keep the client waiting
wait 10
# Client-side
http
lib1513
return failure immediately from progress callback
# this server/host won't be used for real
http://%HOSTIP:%HTTPPORT/1513
# Verify data after the test has been "shot"
# 42 == CURLE_ABORTED_BY_CALLBACK
42