getopt.getopt(args, shortopts, longopts=[]) Parses command line options and parameter list. args is the argument list

os.sysconf(name) Return integer-valued system configuration values. If the configuration value specified by name isn’t

os.execvp(file, args) os.execvpe(file, args, env) These functions all execute a new program, replacing the current

ctypes.PYFUNCTYPE(restype, *argtypes) The returned function prototype creates functions that use the Python calling convention

class ctypes.c_longlong Represents the C signed long long datatype. The constructor accepts an optional integer

os.fstat(fd) Get the status of the file descriptor fd. Return a stat_result object. As

curses.qiflush([flag]) If flag is False, the effect is the same as calling noqiflush(). If

os.readlink(path, *, dir_fd=None) Return a string representing the path to which the symbolic link points. The result may be

ctypes.memset(dst, c, count) Same as the standard C memset library function: fills the memory block at address dst

platform.popen(cmd, mode='r', bufsize=-1) Portable popen() interface. Find a working popen implementation preferring