SNMP is an application layer protocol, so just implement this with TCP sockets in mIRC
/help sockets
How you would implement this is probably a little beyond the scope of this forum, google for example code (from other languages if its not written in mIRC) and look at the SNMP RFC protocol specification for reference.
- argv[0] on EFnet #mIRC - "Life is a pointer to an integer without a cast"