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#include <stdio.h>
int main() {
   printf("Hello, World!\n");
   return 0;
}

$ cc -o hello hello.c
$ ./hello
Hello, World!

$ cc -fno-common -DPERL_DARWIN -mmacosx-version-min=14.4 -DNO_POSIX_20
+08_LOCALE -fno-strict-aliasing -pipe -fstack-protector-strong -I/usr/
+local/include   -fno-common -DPERL_DARWIN -mmacosx-version-min=14.4 -
+DNO_POSIX_2008_LOCALE -fno-strict-aliasing -pipe -fstack-protector-st
+rong -I/usr/local/include  -mmacosx-version-min=14.4 -fstack-protecto
+r-strong -L/usr/local/lib -o hello hello.c

$ ./hello