#include <stdio.h>
#include <stddef.h>
 
void rtm_guard(void) {
    /*
        Don't even try to MS VC that stuff, zerobuffy 4eyes.
    */
    unsigned char buf0[0];
    unsigned a = 0xF001BA11;
    unsigned b = 0xF001BA11;
    unsigned c = 0x55550000;
    unsigned d = 0xF001BA11;
    unsigned e = 0xF001BA11;
    unsigned char buf1[0];
    ptrdiff_t diff = buf0 - buf1;
 
    printf("%d\n", diff);
}
 
int main(void) {
	rtm_guard();
	return 0;
}
 

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