modf

   Decomposes a floating-point number.

   Format

     #include  <math.h>

     double modf  (double x, double *iptr);

     float modff  (float x, float *iptr);                           
                  (Integrity servers, Alpha)

     long double modfl  (long double x, long double *iptr);         
                        (Integrity servers, Alpha)
 

Additional information available:

Arguments       Description     Return_Values