sakibguy

#include <stdio.h>

#define bar() \
	int var = 10;\
	printf("var in bar: %d\n", var)

void foo()
{
	int var = 5;
	printf("var in foo: %d\n", var);

sakibguy

#include <stdio.h>

void bar()
{
	int var = 10;
	printf("var in bar: %d\n", var);
}

void foo()
{

sakibguy

/* Preprocessed code omitted */

int main(int argc, char *argv[])
{
	int a = 5;
	int b = 10;
	int sum = (a + b);
	printf("%d\n", sum);
}

sakibguy

#include <stdio.h>

#define SUM(x, y) (x + y)

int main(int argc, char *argv[])
{
	int a = 5;
	int b = 10;
	int sum = SUM(a, b);
	printf("%d\n", sum);

sakibguy

Hexadecimal color code for transparency

How to set transparency with hex value ?

For example, you want to set 40% alpha transparence to #000000 (black color), you need to add 66 like this #66000000.

All hex value from 100% to 0% alpha: