is bit set?

is_bit_set

inline int is_bit_set(unsigned int val, int n)
{
    static unsigned int mask[] =
    {
        1, //0x1 << 0
        2, //0x1 << 1
        4, //0x1 << 2
        8, //0x1 << 3
        16, //0x1 << 4
        32, //0x1 << 5
        64, //0x1 << 6
        128, //0x1 << 7
        256, //0x1 << 8
        512, //0x1 << 9
        1024, //0x1 << 10
        2048, //0x1 << 11
        4096, //0x1 << 12
        8192, //0x1 << 13
        16384, //0x1 << 14
        32768, //0x1 << 15
        65536, //0x1 << 16
    };

    return val & mask[n];
}