foo.c: In function 'main':
foo.c:38:2: warning: implicit declaration of function 'prinmecount'; did you mean 'primecount'? [-Wimplicit-function-declaration]
38 | prinmecount(b,n2);
| ^~~~~~~~~~~
| primecount
foo.c: In function 'judge':
foo.c:17:1: warning: control reaches end of non-void function [-Wreturn-type]
17 | }
| ^
/nix/store/74y3751gsixaz9797ib0hp7c658sp1y5-binutils-2.40/bin/ld: /tmp/ccGLNiCD.o: in function `main':
foo.c:(.text.startup+0x69): undefined reference to `prinmecount'
collect2: error: ld returned 1 exit status
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