#include<SOIL/SOIL.h>
#include<stdlib.h>

int main(){
	int width, height;
	unsigned char *pix = SOIL_load_image("chickens.jpg", &width, &height, 
						 0, SOIL_LOAD_RGB);
	for(int row = 0; row < height/2; row++){
		for(int col = 0; col < width*3; col++){
			unsigned char temp = pix[width*3*(height-row-1)+col];
			pix[width*3*(height-row-1)+col] = pix[width*3*row + col];
			pix[width*3*row + col] = temp;
		}	
	}

	SOIL_save_image("done.bmp", SOIL_SAVE_TYPE_BMP, width, height, 3, pix);

	free(pix);
	return 0;
}