Function xmlDocDumpMemory 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn xmlDocDumpMemory(
    doc: *mut _xmlDoc,
    mem: *mut *mut xmlChar,
    size: *mut c_int,
)

Dump a document to memory (unformatted).

UPSTREAM-PARITY

void xmlDocDumpMemory(xmlDocPtr doc, xmlChar **mem, int *size);