#include <stdio.h>
int main() {
float snelheid;

unsigned char c[] = {0xcd, 0xcc, 0xe9, 0x42};

union u_tag {
   char b[4];
   float fval;
} u;

u.b[0] = c[0];
u.b[1] = c[1];
u.b[2] = c[2];
u.b[3] = c[3];

printf("%f", u.fval);
return 0;
}

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