MIMEHeaderExists (open)
This function reterns whether a particular field exists in the MIME header
Syntax
LOADLIB "wh::internet/mime.whlib";
BOOLEAN FUNCTION MIMEHeaderExists(RECORD ARRAY header, STRING field_)
Parameters
RECORD ARRAY header
Record Array with the header (use DecodeHeader to get the it)
STRING field_
String with the field to search for
Return value
BOOLEAN