161 uptr internal_close(fd_t fd) {  in internal_close()
173 uptr internal_read(fd_t fd, void *buf, uptr count) {  in internal_read()
177 uptr internal_write(fd_t fd, const void *buf, uptr count) {  in internal_write()
189 uptr internal_fstat(fd_t fd, void *buf) {  in internal_fstat()
193 uptr internal_filesize(fd_t fd) {  in internal_filesize()
268 static fd_t internal_spawn_impl(const char *argv[], const char *envp[],  in internal_spawn_impl()
270   fd_t primary_fd = kInvalidFd;  in internal_spawn_impl()
271   fd_t secondary_fd = kInvalidFd;  in internal_spawn_impl()
339   fd_t fd = primary_fd;  in internal_spawn_impl()
345 fd_t internal_spawn(const char *argv[], const char *envp[], pid_t *pid) {  in internal_spawn()
351   fd_t low_fds[3];  in internal_spawn()
360   fd_t fd = internal_spawn_impl(argv, envp, pid);  in internal_spawn()
373 uptr internal_ftruncate(fd_t fd, uptr size) {  in internal_ftruncate()