Function format_ipv4 

pub fn format_ipv4(value: u32) -> String

Format a UInt32 as an IPv4 address string in dotted-decimal notation.

Example

use pcapsql_core::format::format_ipv4;

assert_eq!(format_ipv4(0xC0A80101), "192.168.1.1");
assert_eq!(format_ipv4(0x0A000001), "10.0.0.1");