Dokumentation zu: next_bit(E)

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SYNOPSIS
        int next_bit (string str, int start)
        int next_bit (string str, int start, int find_cleared)

DESCRIPTION
        Return the number of the next bit in bitstring <str> after position
        <start>. Usually this is the next set bit, but if <find_cleared>
        is given and not 0, the position of the next cleared bit is returned.

        Note that finding cleared bits after the last set bit is limited to
        the actual length of <str>.

        Each character contains 6 bits. So you can store a value
        between 0 and 63 in one character (2^6=64). Starting character
        is the blank " " which has the value 0. The first character in
        the string is the one with the lowest bits (0-5).

EXAMPLES
        string s;
        int p;

        s = set_bit("", 4); s = set_bit(s, 2);

        for (p = -1; -1 != (p = next_bit(s, p); )
            write(p+"\n");

        --> will write 2 and 4

SEE ALSO
        set_bit(E), clear_bit(E), test_bit(E), last_bit(E), count_bits(E),
        and_bits(E), or_bits(E), xor_bits(E), invert_bits(E), copy_bits(E)

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