/* Exports from syscalls1.c. */

s48_value wait_pid(s48_value pid, s48_value flags);

s48_value scheme_exec(s48_value prog, s48_value argv, s48_value env);

s48_value scsh_exit (s48_value status);

s48_value scsh__exit (s48_value status);

s48_value scsh_fork ();

s48_value scheme_pipe();

s48_value scsh_kill (s48_value pid, s48_value signal);

s48_value scm_readlink(s48_value path);

int scm_utime(char const *path, time_t ac, time_t  mod);

int scm_utime_now(char const *path);

s48_value set_cloexec(s48_value _fd, s48_value _val);

s48_value scsh_chdir(s48_value directory);

s48_value scheme_cwd();

int process_times(clock_t *utime, clock_t *stime, 
		  clock_t *cutime, clock_t *cstime);

int cpu_clock_ticks_per_sec();

s48_value read_fdes_char(int fd);

int write_fdes_char(char c, int fd);

ssize_t read_fdes_substring(s48_value buf, size_t start, size_t end, int fd);

int read_stream_substring(s48_value buf, int start, int end, FILE *f);

ssize_t write_fdes_substring(s48_value buf, size_t start, size_t end, int fd);

int write_stream_substring(s48_value buf, int start, int end, FILE *f);

s48_value scheme_stat(s48_value path, s48_value vec, s48_value chase_p);

s48_value scheme_fstat(s48_value fd, s48_value vec);

s48_value scsh_getgid();

s48_value scsh_getegid();

s48_value scsh_setgid(s48_value gid);

s48_value scsh_setegid(s48_value gid);

s48_value get_groups();

s48_value scsh_getuid();

s48_value scsh_geteuid();

s48_value scsh_setuid(s48_value uid);

s48_value scsh_seteuid(s48_value uid);

int put_env(const char *s);

s48_value scm_envvec(void);

int install_env(s48_value vec);

s48_value delete_env(s48_value var);

s48_value scm_gethostname(void);

char *errno_msg(int i);

s48_value fcntl_read(s48_value fd, s48_value command);

s48_value fcntl_write(s48_value fd, s48_value command, s48_value value);

s48_value scm_crypt(s48_value key, s48_value salt);

s48_value scm_openlog (s48_value _ident, s48_value _option, s48_value _facility);

s48_value scm_syslog (s48_value _facility, s48_value _level, s48_value _message);

s48_value scm_closelog();