pub unsafe extern "C" fn switch_b64_decode(
in_: *const c_char,
out: *mut c_char,
olen: switch_size_t,
) -> switch_size_tpub unsafe extern "C" fn switch_b64_decode(
in_: *const c_char,
out: *mut c_char,
olen: switch_size_t,
) -> switch_size_t