Function unctrl

Lib/curses/ascii.py:89–99

(c)

        return _ctoi(c) | 0x80

def unctrl(c):
    bits = _ctoi(c)
    if bits == 0x7f:
        rep = "^?"
    elif isprint(bits & 0x7f):
        rep = chr(bits & 0x7f)
    else:
        rep = "^" + chr(((bits & 0x7f) | 0x20) + 0x20)
    if bits & 0x80:
        return "!" + rep
    return rep