Function xmlGcMemGet 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn xmlGcMemGet(
    freeFunc: *mut Option<xmlFreeFunc>,
    mallocFunc: *mut Option<xmlMallocFunc>,
    reallocFunc: *mut Option<xmlReallocFunc>,
    strdupFunc: *mut Option<xmlStrdupFunc>,
)

Get GC-aware memory allocator functions.

UPSTREAM-PARITY

Wrapper around xmlMemGet.