ref: 1145d79a11e8bf6852d8ee786bcad1f2a9ab2ad7
dir: /sys/src/libip/parseether.c/
#include <u.h>
#include <libc.h>
int
parseether(uchar *to, char *from)
{
char nip[4];
char *p;
int i;
p = from;
for(i = 0; i < 6; i++){
if(*p == 0)
return -1;
nip[0] = *p++;
if(*p == 0)
return -1;
nip[1] = *p++;
nip[2] = 0;
to[i] = strtoul(nip, 0, 16);
if(*p == ':')
p++;
}
return 0;
}