3.20 library(http/http_header): Handling HTTP headers
All Application Manual Name SummaryHelp

Availability::- use_module(library(http/http_header)).
Source[det]http_read_header(+Fd, -Header)
Read Name: Value lines from FD until an empty line is encountered. Field-name are converted to Prolog conventions (all lower, _ instead of -): Content-Type: text/html --> content_type(text/html)