new 117 gc/blacklst.c void GC_copy_bl(old, new) new 118 gc/blacklst.c word *new, *old; new 517 gc/os_dep.c # define SIGSETMASK(old, new) (old) = sigsetmask(new) new 523 gc/os_dep.c # define SIGSETMASK(old, new) sigprocmask(SIG_SETMASK, &(new), &(old))