SCM_API SCM scm_crypt (SCM key, SCM salt);
SCM_API SCM scm_chroot (SCM path);
SCM_API SCM scm_getlogin (void);
-SCM_API SCM scm_cuserid (void);
SCM_API SCM scm_getpriority (SCM which, SCM who);
SCM_API SCM scm_setpriority (SCM which, SCM who, SCM prio);
SCM_API SCM scm_getpass (SCM prompt);
SCM_API SCM scm_flock (SCM file, SCM operation);
SCM_API SCM scm_sethostname (SCM name);
SCM_API SCM scm_gethostname (void);
+SCM_API SCM scm_getaffinity (SCM pid);
+SCM_API SCM scm_setaffinity (SCM pid, SCM cpu_set);
SCM_INTERNAL void scm_init_posix (void);
SCM_INTERNAL scm_i_pthread_mutex_t scm_i_locale_mutex;