22 lines
552 B
C
22 lines
552 B
C
#pragma once
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#include <sys/cdefs.h>
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#include <sys/types.h>
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#include <string.h>
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__BEGIN_DECLS
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#define FD_SETSIZE 64
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#define FD_ZERO(set) memset((set), 0, sizeof(fd_set));
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#define FD_CLR(fd, set) ((set)->bits[(fd / 8)] &= ~(1 << (fd) % 8))
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#define FD_SET(fd, set) ((set)->bits[(fd / 8)] |= (1 << (fd) % 8))
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#define FD_ISSET(fd, set) ((set)->bits[(fd / 8)] & (1 << (fd) % 8))
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struct fd_set {
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unsigned char bits[FD_SETSIZE / 8];
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};
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int select(int nfds, fd_set* readfds, fd_set* writefds, fd_set* exceptfds, struct timeval* timeout);
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__END_DECLS
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