#include <stdio.h>
        struct IUB {
           int c;
           double p;
           unsigned int pi;
        };

        IUB iub[] = {
           { 'a', 0.27, 5 },
           { 'c', 0.15, 4 },
           { 'g', 0.12, 3 },
           { 't', 0.27, 2 },
        };

        const unsigned char faceedgesidx[6][4] =
        {
            { 4, 5, 8, 10 },
            { 6, 7, 9, 11 },
            { 0, 2, 8, 9  },
            { 1, 3, 10,11 },
            { 0, 1, 4, 6 },
            { 2, 3, 5, 7 },
        };

        int main( int argc, const char *argv[] ) {
           printf("*%d,%d,%d,%d*\n", iub[0].c, int(iub[1].p*100), iub[2].pi, faceedgesidx[3][2]);
           return 0;
        }