ref: 042f98784acb9f09013f65b0c93b7f56e1b8a10a
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; }