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#if 0 #include <threads.h> #include <pthread.h> int cnd_signal(cnd_t *cond) { SIGNAL_SAFE(0); return pthread_cond_signal(cond) == 0 ? thrd_success : thrd_error; } CHECK_1(int, 0, cnd_signal, cnd_t *) /* STDC(201112) */ #endif