Initializes the DECthreads routines.
cma_init();
#includevoid cma_init (void);
Calling this routine can result in changes to the execution environment that cause a single-threaded process to appear as a DECthreads thread.
If this routine is called more than once, the second and subsequent calls are ignored. If a second call to this routine is made while the first call is still in progress, the exception cma_e_inialrpro is raised.