readuint8
static int readuint8(char *, uint8_t *, char **);
res = readuint8(dfltst, &ou8, &lo);
res = readuint8(proto_str, proto, &lo);
res = readuint8(valst, &u8, &tmp);
res = readuint8(valst, &u8, &tmp);
res = readuint8(sl, &mlen, &lo);