foo.c: In function 'main':
foo.c:30:13: warning: implicit declaration of function 'CountMax'; did you mean 'Countmax'? [-Wimplicit-function-declaration]
   30 |     int cnt=CountMax(a,n);
      |             ^~~~~~~~
      |             Countmax
/nix/store/74y3751gsixaz9797ib0hp7c658sp1y5-binutils-2.40/bin/ld: /tmp/ccfgQ5c1.o: in function `main':
foo.c:(.text.startup+0x63): undefined reference to `CountMax'
collect2: error: ld returned 1 exit status

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