foo.c: In function 'main':
foo.c:34:3: warning: implicit declaration of function 'Output'; did you mean 'Qutput'? [-Wimplicit-function-declaration]
   34 |   Output(a,n);
      |   ^~~~~~
      |   Qutput
/nix/store/74y3751gsixaz9797ib0hp7c658sp1y5-binutils-2.40/bin/ld: /tmp/cc3WBRGP.o: in function `main':
foo.c:(.text.startup+0x83): undefined reference to `Output'
collect2: error: ld returned 1 exit status

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