Function switch_parse_codec_buf 

pub unsafe extern "C" fn switch_parse_codec_buf(
    buf: *mut c_char,
    interval: *mut u32,
    rate: *mut u32,
    bit: *mut u32,
    channels: *mut u32,
    modname: *mut *mut c_char,
    fmtp: *mut *mut c_char,
) -> *mut c_char