foo.c: In function 'FindMin':
foo.c:6:28: error: 'min' undeclared (first use in this function)
    6 |                 if (a[i] < min)
      |                            ^~~
foo.c:6:28: note: each undeclared identifier is reported only once for each function it appears in
foo.c:4:13: warning: unused variable 'max' [-Wunused-variable]
    4 |         int max = a[0];
      |             ^~~
foo.c:9:1: warning: control reaches end of non-void function [-Wreturn-type]
    9 | }
      | ^

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