Use marco for small function : Macro Function « Macro Preprocessor « C / ANSI-C

1. C / ANSI-C
2. Macro Preprocessor
3. Macro Function

Use marco for small function

#include <stdio.h>

#define ABS(a)  (a) < 0 ? -(a) : (a)

int main(void)
{
  printf("abs of -1 and 1: %d %d", ABS(-1), ABS(1));

  return 0;
}

           
       

Related examples in the same category

1.	Defining a macro to compare two values
2.	Defining a macro to output the value of an expression
3.	Generate a square table
4.	Define small function in macro
5.	Make string
6.	Use macro to find the minor variable
7.	Define Macro as simple function
8.	Use Macro to check the int range
9.	Use Macro to get the bigger int value