system:win7 64bit
pelles c for windows 7.00
#include <stdio.h>
int main(void)
{
unsigned width;
unsigned precision;
int number = 256;
double weight = 242.5;
printf("What field width?\n");
scanf("%d",&width);
printf("The number is:%*d:\n",width,number);
printf("Now enter a width and a precision:\n");
scanf("%d %d",&width,&precision);
printf("Weight = %*.*f\n",width,precision,weight);
return 0;
}