?? select.h
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#ifndef _SYS_SELECT_H#define _SYS_SELECT_H 1#include <sys/types.h>#include <bits/sigset.h>#include <time.h>extern int select (int __nfds, fd_set *__restrict __readfds, fd_set *__restrict __writefds, fd_set *__restrict __exceptfds, struct timeval *__restrict __timeout) __THROW;#endif /* sys/select.h */?? 快捷鍵說明
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