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#include <stdio.h>
#define uint8_t unsigned char
uint8_t kette[8];
void lampe_ein(uint8_t lampennummer)
{
uint8_t puffer[2]={0};
puffer[1] = lampennummer % 100 / 10;
puffer[0] = lampennummer % 10;
kette[puffer[1]] |= (1 << puffer[0]);
}
int main()
{
lampe_ein(74);
for (int i=0; i<8; i++)
printf("%02x ",kette[i]);
return 0;
}
