ip.h File Reference

#include "lwip/arch.h"

Macros
#define	IP_HDR_GET_VERSION(ptr)   ((*(u8_t*)(ptr)) >> 4)

Detailed Description

IP protocol definitions

Macro Definition Documentation

IP_HDR_GET_VERSION

#define IP_HDR_GET_VERSION

(

ptr

)

((*(u8_t*)(ptr)) >> 4)

This operates on a void* by loading the first byte