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#include <stdio.h>
int main()
{
char KBuffer[512] = "0x3:2.1:2.1:2.1";
int rt;
double p,i,d;
int n = sscanf(KBuffer, "%x:%lf:%lf:%lf", &rt, &p, &i, &d);
printf("rt %x", rt);
printf(" P %lf", p);
printf(" P %lf", i);
printf(" P %lf", d);
return 0;
}