C Tutorial/math.h/round
round
Item Value Header file math.h Declaratoin float roundf(float arg);double round(double arg);long double roundl(long double arg); Return returns the value of arg rounded to the nearest integer.
Values precisely between two values, such as 3.5, are rounded up.
#include <math.h>
#include <stdio.h>
int main(void)
{
printf("%f\n", round (3.2));
return 0;
}