os.setgid(gid) Set the current process’ group id. Availability: Unix.

os.chmod(path, mode, *, dir_fd=None, follow_symlinks=True) Change the mode of path to the numeric mode. mode

st_ino Inode number.

class ctypes._FuncPtr Base class for C callable foreign functions. Instances of foreign functions

os.sysconf_names Dictionary mapping names accepted by sysconf() to the integer values defined for those names by

curses.ascii.isalpha(c) Checks for an ASCII alphabetic character; it is equivalent to isupper(c) or islower(c)

os.scandir(path='.') Return an iterator of DirEntry objects corresponding to the entries in the directory given

seek(offset[, whence]) Change the stream position to the given byte offset. offset is interpreted relative

platform.processor() Returns the (real) processor name, e.g. 'amdk6'. An empty

os.supports_bytes_environ True if the native OS type of the environment is bytes (eg. False on Windows)