C Programming Coding For DDA Algorithm

void linedda(int xa,int ya,int xb,int yb) {

int dx=xb-xa,dy=yb-ya,steps,k;
float xincrement,yincrement,x=xa,y=ya;

if(abs(dx)>abs(dy)) steps=abs(dx);
else steps=abs(dy);

xincrement=dx/(float)steps;
yincrement=dy/(float)steps;

putpixel(round(x),round(y),2)

for(k=0;k<steps;k++) {
x+=xincrement;
y+=yincrement;
putpixel(round(x),round(y),2);
}
}