C/math.h/nexttoward

    
//Declaration: float nexttowardf(float from, long double towards); 
               double nexttoward(double from, long double towards); 
               long double nexttowardl(long double from, long double towards);  
 
    
  
 
  #include <math.h>
  #include <stdio.h>
  int main(void)
  {
      double f;
      f = nexttoward (2.3,1.2);
     
      printf("%f " , f);
  }