start—if the osignature matches a message and no running process of this otype has a pattern that matches the message, start a process of this otype.
queue—if the osignature matches a message and no running process of this otype has a pattern that matches the message, queue the message until a process of this otype registers a pattern that matches it.
The following listing illustrates an otype file.
The Sun_EditDemo_opnums.h file defines symbolic definitions for all the opnums used by edit.c, allowing both the edit.types file and edit.c file to share the same definitions.