Function xmlOutputBufferWrite 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn xmlOutputBufferWrite(
    out: *mut _xmlOutputBuffer,
    len: c_int,
    data: *const c_char,
) -> c_int

Write to an output buffer.

UPSTREAM-PARITY

int xmlOutputBufferWrite(xmlOutputBufferPtr out, int len, const char *data);