| Data Fields | |
| int | magic | 
| sop * | strip | 
| int | csetsize | 
| int | ncsets | 
| cset * | sets | 
| uch * | setbits | 
| int | cflags | 
| sopno | nstates | 
| sopno | firststate | 
| sopno | laststate | 
| int | iflags | 
| int | nbol | 
| int | neol | 
| int | ncategories | 
| cat_t * | categories | 
| char * | must | 
| int | mlen | 
| size_t | nsub | 
| int | backrefs | 
| sopno | nplus | 
| cat_t | catspace [1] |