Item	Value
Header file#include 
Declarationfloat truncf(float arg);double trunc(double arg);long double truncl(long double arg);
Returnreturns the truncated value of arg.
 
#include 
  #include 
  int main(void)
  {
    printf("%f\n", trunc (1.2));
    return 0;
  } 
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