/in/foo.c:23:5: error: expected identifier or '(' before 'for'
   23 |     for (int i = 0; i < n; i++) {
      |     ^~~
/in/foo.c:23:23: error: expected '=', ',', ';', 'asm' or '__attribute__' before '<' token
   23 |     for (int i = 0; i < n; i++) {
      |                       ^
/in/foo.c:23:29: error: expected '=', ',', ';', 'asm' or '__attribute__' before '++' token
   23 |     for (int i = 0; i < n; i++) {
      |                             ^~
/in/foo.c:29:12: error: expected declaration specifiers or '...' before string constant
   29 |     printf("\n");
      |            ^~~~
/in/foo.c:31:5: error: expected identifier or '(' before 'return'
   31 |     return 0;
      |     ^~~~~~
/in/foo.c:32:1: error: expected identifier or '(' before '}' token
   32 | }
      | ^