Function compare 

pub fn compare(v1: &str, v2: &str) -> Ordering

Compare two version strings.

Returns Ordering::Less, Ordering::Equal, or Ordering::Greater.

Panics

Panics if either version string contains an interior null byte.

Examples

use std::cmp::Ordering;
assert_eq!(libversion_sys::compare("1.0", "1.1"), Ordering::Less);
assert_eq!(libversion_sys::compare("1.0", "1.0.0"), Ordering::Equal);