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C

trunc()


trunc( ) function in C truncates the decimal value from floating point value and returns integer value. ”math.h” header file supports trunc( ) function in C language. Syntax for trunc( ) function in C is given below. double trunc (double a); float truncf (float a); long double truncl (long double a);

Syntax:
 j =  trunc (16.99);


Example:

#include       
#include       

int main()
{
   printf ("truncated value of 16.99 = %f\n", trunc (16.99) );
   printf ("truncated value of 20.1  = %f\n", trunc (20.1) );
   return 0;
}
Output:

truncated value of 16.99 = 16.000000
truncated value of 20.1 = 20.000000


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