C/math.h/trunc

trunc: returns the truncated value of arg

<source lang="cpp">

//Declaration: float truncf(float arg);

              double trunc(double arg); 
              long double truncl(long double arg);  

 
 #include <math.h>
 #include <stdio.h>
 int main(void)
 {
   printf("%f\n", trunc (1.2));
   return 0;
 }
        
       /*1.000000*/ 
          
      </source>