求一个C语言代码，两点连成的直线上某一点的某一点的坐标

#include int main() { double x0, y0, x1, y1; double a, b, c; double x; printf("x0 = "); scanf("%lf", &x0); printf("y0 = "); scanf("%lf", &y0); printf("x1 = "); scanf("%lf", &x1); printf("y1