xcall CGIUTL, CGIOP_UNESCAPE, in, out, status

Opcode 9, CGIOP_UNESCAPE, is a utility function used to convert a string containing HTML escapes (mainly %xx where xx is a hex value) to the ASCII equivalent. This is sometimes useful for logging and other auxiliary functions.

in

HTML-encoded string to unescape

out

is a string variable to receive the output (dynamic string ok)

status

returns a status code (0 for ok)