Function foldEQ_utf8_flags 

pub unsafe fn foldEQ_utf8_flags(
    my_perl: *mut PerlInterpreter,
    a: *const c_char,
    b: *mut *mut c_char,
    c: UV,
    d: bool,
    e: *const c_char,
    f: *mut *mut c_char,
    g: UV,
    h: bool,
    i: U32,
) -> I32

thx shim for crate::foldEQ_utf8_flags.