Function xmlTextWriterWriteBase64 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn xmlTextWriterWriteBase64(
    writer: *mut XmlTextWriter,
    data: *const c_char,
    start: c_int,
    len: c_int,
) -> c_int

Write a formatted string.

UPSTREAM-PARITY

int xmlTextWriterWriteFormatString(xmlTextWriterPtr writer, const char *fmt, ...);

SAFETY

• writer must be a valid pointer to an XmlTextWriter or NULL. Write Base64-encoded data.

UPSTREAM-PARITY

int xmlTextWriterWriteBase64(xmlTextWriterPtr writer,
                              const char *data,
                              int start,
                              int len);

SAFETY

• writer must be a valid pointer to an XmlTextWriter or NULL.
• data must be a valid pointer to start + len bytes or NULL.