import sys
from typing import TypeVar

if sys.platform != "win32":
    _CharT = TypeVar("_CharT", str, int)

    NUL: int
    SOH: int
    STX: int
    ETX: int
    EOT: int
    ENQ: int
    ACK: int
    BEL: int
    BS: int
    TAB: int
    HT: int
    LF: int
    NL: int
    VT: int
    FF: int
    CR: int
    SO: int
    SI: int
    DLE: int
    DC1: int
    DC2: int
    DC3: int
    DC4: int
    NAK: int
    SYN: int
    ETB: int
    CAN: int
    EM: int
    SUB: int
    ESC: int
    FS: int
    GS: int
    RS: int
    US: int
    SP: int
    DEL: int

    controlnames: list[int]
    def isalnum(c: str | int) -> bool: ...
    def isalpha(c: str | int) -> bool: ...
    def isascii(c: str | int) -> bool: ...
    def isblank(c: str | int) -> bool: ...
    def iscntrl(c: str | int) -> bool: ...
    def isdigit(c: str | int) -> bool: ...
    def isgraph(c: str | int) -> bool: ...
    def islower(c: str | int) -> bool: ...
    def isprint(c: str | int) -> bool: ...
    def ispunct(c: str | int) -> bool: ...
    def isspace(c: str | int) -> bool: ...
    def isupper(c: str | int) -> bool: ...
    def isxdigit(c: str | int) -> bool: ...
    def isctrl(c: str | int) -> bool: ...
    def ismeta(c: str | int) -> bool: ...
    def ascii(c: _CharT) -> _CharT: ...
    def ctrl(c: _CharT) -> _CharT: ...
    def alt(c: _CharT) -> _CharT: ...
    def unctrl(c: str | int) -> str: ...