int para_mkdir(const char *path, mode_t mode);
int para_fchdir(int fd);
int para_chdir(const char *path);
+int mmap_full_file(const char *filename, int open_mode, void **map,
+ size_t *size, int *fd_ptr);
+int para_munmap(void *start, size_t length);
+int write_ok(int fd);