4. State

<<bitlang_state_struct>>=

struct bitlang_state {
    char *bytes;
    int sz;
    int len;
};

<<funcdefs>>=

void bitlang_state_init(bitlang_state *st, char *b, int sz);

<<funcs>>=

void bitlang_state_init(bitlang_state *st, char *b, int sz)
{
    int i;
    st->bytes = b;
    st->sz = sz;
    st->len = 0;

    for (i = 0; i < sz; i++) {
        st->bytes[i] = 0;
    }
}

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