Function xmlMallocLoc 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn xmlMallocLoc(
    size: usize,
    _file: *const c_char,
    _line: c_int,
) -> *mut c_void

Allocate memory, recording the allocation site (upstream xmlmemory.h).

void *xmlMallocLoc(size_t size, const char *file, int line);

The default candidate allocator does not track allocation sites (see residual R-000131); the location arguments are accepted for ABI compatibility and ignored.