foo.c: In function 'function':
foo.c:5:17: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'for'
    5 |                 for (i = 0; i < m - 1; i++)
      |                 ^~~
foo.c:5:31: warning: statement with no effect [-Wunused-value]
    5 |                 for (i = 0; i < m - 1; i++)
      |                             ~~^~~~~~~
foo.c:5:43: error: expected ';' before ')' token
    5 |                 for (i = 0; i < m - 1; i++)
      |                                           ^
      |                                           ;
foo.c:5:43: error: expected statement before ')' token
foo.c:11:41: error: 't' undeclared (first use in this function)
   11 |                                         t = a[j + 1];
      |                                         ^
foo.c:11:41: note: each undeclared identifier is reported only once for each function it appears in

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