I've been trying to port this code to python, but there is something I do not quite understand in C++ (I do know a bit of C++ but this is beyond me):

typedef struct huffnode_s
{
    struct huffnode_s *zero;
    struct huffnode_s *one;
    unsigned char val;
    float freq;
} huffnode_t;

What I don't get is how huffnode_s can be within itself, I've never seen this before and don't quite understand it. What does this mean, and if someone can, what would be the python equivalent?

c++ python c huffman-code
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