Z:gnu-www-ja-shouldbefree--45d007-float=0A distance (p0,/en

float distance (p0, p1) struct point p0, p1; {      float xdist = p1.x - p0.x;       float ydist = p1.y - p0.y;       return sqrt (xdist * xdist + ydist * ydist); } \