[Update] initialize buffer
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@ -71,7 +71,8 @@ int main(int argc, char const *argv[]) {
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};
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// receive server response
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char buffer[BUFFER_SIZE] = {0};
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char buffer[BUFFER_SIZE];
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memset(buffer, 0, sizeof(buffer));
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int size = recv(sockfd, buffer, sizeof(buffer), 0);
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if (size <= 0) {
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cout << "Connection ended." << endl;
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