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33 lines
574 B
C
33 lines
574 B
C
#include <stdlib.h>
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#include <stdio.h>
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int b=0;
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int c=0;
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char flag = 0;
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#define PASS_A(a) flag & 0x01 ? c : (flag |= 0x01, c = ntohs(a))
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int dosomething(int a) {
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return a;
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}
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int main() {
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int i = 0;
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int a = 1234;
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//for (i = 0; i < 100000000L; i++) {
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for (i = 0; i < 10; i++) {
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printf("PRE : a %d b %d c %d, flag %s\n", a,b,c, flag & 0x01 ? "SET":"NOT SET");
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a = dosomething(PASS_A(a));
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printf("POST: a %d b %d c %d, flag %s\n", a,b,c, flag & 0x01 ? "SET":"NOT SET");
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// a = ntohs(a);
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}
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exit(0);
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}
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