.gitignore

@@ -1,2 +0,0 @@
-hello
-hello

main.c

@@ -6,63 +6,33 @@ int main(int argc, char *argv[]){
 	int fd;
 	//EXPORT
 	fd=open("/sys/class/gpio/chip0/export", O_WRONLY);
-	if(fd<0)
-	{
-		perror("Error opening the gpio");
-		return -1;
-	}
 	write(fd, "17",2);
-	close(fd);	
+	close(fd);
 	//PIN DIRECTION
 	
 	fd=open("/sys/class/gpio/chip0/gpio17/direction", O_WRONLY);	
-	if(fd<0)
-	{
-		perror("Error opening the gpio");
-		return -1;
-	}
 	write(fd, "out",3);
 	close(fd);
 
 	//WRITE VALUE
 	fd=open("/sys/class/gpio/chip0/gpio17/value", O_WRONLY);		
-	if(fd<0)
-	{
-		perror("Error opening the gpio");
-		return -1;
-	}
 	write(fd, "1",1);
 	close(fd);
 	sleep(10);
 	
 	fd=open("/sys/class/gpio/chip0/gpio17/value", O_WRONLY);		
-	if(fd<0)
-	{
-		perror("Error opening the gpio");
-		return -1;
-	}
 	write(fd, "0",1);
 	close(fd);
 	sleep(10);
 	
 
 	fd=open("/sys/class/gpio/chip0/gpio17/value", O_WRONLY);		
-	if(fd<0)
-	{
-		perror("Error opening the gpio");
-		return -1;
-	}
 	write(fd, "1",1);
 	close(fd);
 	sleep(10);
 	
 	//UNEXPORT
 	fd=open("/sys/class/gpio/chip0/gpio17/unexport", O_WRONLY);		
-	if(fd<0)
-	{
-		perror("Error opening the gpio");
-		return -1;
-	}
 	write(fd, "17",2);
 	close(fd);