ref: a52eef88439bb83d65c3256a72acf7f744a40d96
dir: /sys/src/libip/equivip.c/
#include <u.h>
#include <libc.h>
#include <ip.h>
int
equivip4(uchar *a, uchar *b)
{
	int i;
	for(i = 0; i < 4; i++)
		if(a[i] != b[i])
			return 0;
	return 1;
}
int
equivip6(uchar *a, uchar *b)
{
	int i;
	for(i = 0; i < IPaddrlen; i++)
		if(a[i] != b[i])
			return 0;
	return 1;
}