Function xmlXPathNodeSetCreate 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn xmlXPathNodeSetCreate(
    val: *mut _xmlNode,
) -> *mut _xmlNodeSet

Create a node-set from a range of an existing node-set.

UPSTREAM-PARITY

xmlNodeSetPtr xmlXPathNodeSetCreate(xmlNodePtr val);

With a null val, creates an empty node-set.