Function xmlReallocLoc 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn xmlReallocLoc(
    ptr: *mut c_void,
    size: usize,
    file: *const c_char,
    line: c_int,
) -> *mut c_void

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

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