from typing import List

# TODO group database entry object type

class struct_group:
    gr_name = ...  # type: str
    gr_passwd = ...  # type: str
    gr_gid = 0
    gr_mem = ...  # type: List[str]

def getgrgid(gid: int) -> struct_group: ...
def getgrnam(name: str) -> struct_group: ...
def getgrall() -> List[struct_group]: ...