getbits
bits = getbits(src, ipv6);
bits = getbits(src, 1);
static int getbits(const char *, int ipv6);
return (getbits(src, bitsp));
if (ch == '/' && getbits(src, &bits) > 0)
error = getbits(bytes, read, &kap->read_set, &read_tmp);
error = getbits(bytes, write, &kap->write_set, &write_tmp);
error = getbits(bytes, except, &kap->except_set, &except_tmp);