Include one of the DECthreads header files shown in Table A-1 in your program to use the appropriate DECthreads library:
Header File Interface
pthread.h POSIX 1003.1c-1995 routines
tis.h tis routines (tis_)
cma.h cma routines (cma_)
pthread_d4.h POSIX 1003.4a Draft 4 routines with status-
returning interface
pthread_exc.h POSIX 1003.4a Draft 4 routines with exception-
returning interface
Do not include more than one of the above header files in your module.