C trunc function truncates value of arg

Syntax

C trunc function has the following syntax.

• float truncf(float arg);
• double trunc(double arg);
• long double truncl(long double arg);

Header

C trunc functions are from header file math.h.

Description

C trunc functions return the truncated value of arg.

Example

Truncate value of argument by using C trunc function.

#include <math.h>
#include <stdio.h>
//  w w  w.j  a  v  a  2 s  . c om
int main(void)
{
  printf("%f\n", trunc (1.2));

  return 0;
}

The code above generates the following result.