C/math.h/llround

    
//Declaratin: long long int llroundf(float arg); 
              long long int llround(double arg); 
              long long int llroundl(long double arg);  
 
//Values precisely between two values, such as 3.5, are rounded up.
    
  
  #include <math.h>
  #include <stdio.h>
  int main(void)
  {
    printf("%l", llround (1.2));
    return 0;
  }