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#include <stdio.h>
extern void predicated_write(int flag, long *buf, long data);
extern long predicated_read(long defval, int flag, long *buf);
int main() {
long buf[2] = {42, 69};
printf("%ld\n", buf[1]);
predicated_write(0, buf, 33);
printf("%ld\n", buf[1]);
predicated_write(1, buf, 45);
printf("%ld\n", buf[1]);
printf("%ld\n", predicated_read(1515, 0, buf));
printf("%ld\n", predicated_read(1789, 1, buf));
return 0;
}
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