$Web_Hdr_Len or $Web_Hdr_Parm_Len

<section begin="desc" />Length of request header field<section end="desc" />

$Web_Hdr_Len retrieves the length of a field in a request header.

Syntax

<section begin="syntax" /> %RC = $Web_Hdr_Len( fieldname, occurrence ) <section end="syntax" />

$Web_Hdr_Len takes two arguments and returns a number, or zero if the header does not exist.

fieldname	The name of the header field, returned by $Web_Hdr_Name. Required argument if occurrence not specified, otherwise optional.
occurrence	The occurrence number of a header field, or the occurrence number of the header field matching fieldname, if fieldname is specified. Optional argument if fieldname is specified, otherwise it is required.