#include <stdio.h>
int main(void) {
char mac[] = "00:13:a9:1f:b0:88";
int a[6];
sscanf(mac
, "%x:%x:%x:%x:%x:%x", &a
[0], &a
[1], &a
[2], &a
[3], &a
[4], &a
[5]);
return 0;
}
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