/in/foo.c: In function 'main':
/in/foo.c:13:16: warning: suggest parentheses around assignment used as truth value [-Wparentheses]
   13 |         }while(temp=0);
      |                ^~~~
/in/foo.c:32:15: error: 'temp\U0000ff01' undeclared (first use in this function); did you mean 'temp'?
   32 |         while(temp！=0){
      |               ^~~~~~
      |               temp
/in/foo.c:32:15: note: each undeclared identifier is reported only once for each function it appears in