mbx_util - VMS Mailbox Utilities
mbx_create() - creates a mailbox.
mbx_delete() - deletes mailbox.
mbx_poll() - checks if any messages are waiting to be read
from a mailbox.
mbx_read() - reads a message from a mailbox.
mbx_unit() - gets the unit number of a mailbox.
mbx_write() - writes a message to a mailbox.
mbx_util.c
mbx_util.h