snmp functions under windows

Does anyone have the snmpwalk/snmpget functions working in php4 within IIS5? I am using php4.02 binary release and am getting Fatal error: Call to undefined function: snmpget() I've tried both the .dll and the .exe versions of php4... :( Any help appreciated, Tony IMPORTANT NOTICE The information in this e-mail is confidential and should only be read by those persons to whom it is addressed and is not intended to be relied upon by any person without subsequent written confirmation of its contents. Furthermore, the content of this e-mail is the personal view of the sender and does not represent the advice, views or opinion of our company. Accordingly, our company disclaim all responsibility and accept no liability (including in negligence) for the consequences of any person acting, or refraining from acting, on such information prior to the receipt by those persons of subsequent written confirmation. In particular (but not by way of limitation) our company disclaims all responsibility and accepts no liability for any e-mails which are defamatory, offensive, racist or in any other way are in breach of any third party's rights, including breach of confidence, privacy or other rights. If you have received this e-mail message in error, please notify me immediately by telephone. Please also destroy and delete the message from your computer. Any form of reproduction, dissemination, copying, disclosure, modification, distribution and/or publication of this e-mail message is strictly prohibited. Trinity Mirror plc is the holding company for the Trinity Mirror group of companies and is registered in England No. 82548, with its address at Kingsfield Court, Chester Business Park, Chester CH4 9RE.