foo.c: In function 'Length':
foo.c:14:16: warning: 'l' may be used uninitialized [-Wmaybe-uninitialized]
   14 |         return l;
      |                ^
foo.c:5:13: note: 'l' was declared here
    5 |         int l;
      |             ^
foo.c: In function 'main':
foo.c:31:9: warning: 'l' may be used uninitialized [-Wmaybe-uninitialized]
   31 |         printf("%d", Length(a2));
      |         ^~~~~~~~~~~~~~~~~~~~~~~~
foo.c:5:13: note: 'l' was declared here
    5 |         int l;
      |             ^
foo.c:30:9: warning: 'l' may be used uninitialized [-Wmaybe-uninitialized]
   30 |         printf("%d ", Length(a1));
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~
foo.c:5:13: note: 'l' was declared here
    5 |         int l;
      |             ^

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