^C
        Call history:

        intarweb#response-port    
        intarweb#response-headers         
        intarweb#header-value     
        header-parsers.scm:13: header-contents    
        header-parsers.scm:5: alist-ref   
        intarweb#response-class   
        modulo    
        intarweb#response-class   
        modulo    
        intarweb#response-code    
        intarweb#response-reason          
        sprintf   
        intarweb#response-class   
        modulo    
        read-string/port          
        print-call-chain                <--
fdset-set: invalid i/o direction
[] 
...more...
uri-generic#uri-port
uri-generic#uri-scheme
alist-ref
write
get-output-string
uri-common#uri-port
uri-generic#uri-port
uri-generic#uri-scheme
alist-ref
uri-common#uri-port
uri-generic#uri-port
uri-generic#uri-scheme
alist-ref
uri-common#uri-host
uri-common#uri-host
close-input-port        <--