#include <stdio.h>
int main (void)
{
  float length,width;

printf("Enter the length of the rectangle;\n");
while (scanf("%f",&length)==1)
{
      printf("length = %0.2f;\n",length);
      printf("enter its width;\n");
      if (scanf("%f,&width)!= 1")
          break;
      printf("width = %0.2f;\n",width);
      printf("Area = %0.2f;\n",length * width);
      printf("Enter the length of the rectangle;\n");
    }
      printf("done.\n");
      return 0;
}

In function 'main':
Line 12: error: expected ')' before 'break'
Line 16: error: expected expression before '}' token