Function ion_c_sys::_ion_int_from_radix_chars_helper

pub unsafe extern "C" fn _ion_int_from_radix_chars_helper(
    iint: *mut ION_INT, 
    str_: *const c_char, 
    len: SIZE, 
    digit_values: *mut c_uint, 
    base: c_uint, 
    bits_per_digit: c_uint, 
    radix_chars: *const c_char
) -> iERR