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userland/c/gcc_hack.c

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+/* https://github.com/cirosantilli/linux-kernel-module-cheat#your-first-gcc-hack */
+
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(void) {
+    int i = 1;
+    int j = 1;
+    i++;
+    j--;
+    printf("i = %d\n", i);
+    printf("j = %d\n", j);
+}