/in/foo.c:3:13: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
    3 | int main（）{
      |             ^
/in/foo.c:21:24: error: stray '\342' in program
   21 |                 pfintf(<U+201C>%11d",n);
      |                        ^~~~~~~~
/in/foo.c:21:26: error: invalid suffix "d" on integer constant
   21 |                 pfintf(“%11d",n);
      |                          ^~~
/in/foo.c:21:29: warning: missing terminating " character
   21 |                 pfintf(“%11d",n);
      |                             ^
/in/foo.c:21:29: error: missing terminating " character
   21 |                 pfintf(“%11d",n);
      |                             ^~~~~