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@@ -28,7 +28,7 @@ int main(int argc, char ** argv)
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/* create a number to search for */
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pid = getpid();
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- printf("Searching for the number = %d...\n", pid);
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+ printf("Searching for the number = %ld...\n", pid);
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/* Initialize the mutex lock */
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pthread_mutex_init(&lock, NULL);
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