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#include <stdlib.h>
#include <sys/mman.h>

int main()
{
	size_t *m;
	int one_page = getpagesize();
	m = mmap( NULL, one_page, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);

	if( m == MAP_FAILED )
		return 1;
	else
        	return 0;
}