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/components/libc/compilers/common/include/sys/
A Dselect.h39 #define NFDBITS (sizeof (fd_mask) * NBBY) /* bits per mask */ macro
45 fd_mask fds_bits[howmany(FD_SETSIZE, NFDBITS)];
49 #define FD_SET(n, p) ((p)->fds_bits[(n)/NFDBITS] |= (1L << ((n) % NFDBITS)))
50 #define FD_CLR(n, p) ((p)->fds_bits[(n)/NFDBITS] &= ~(1L << ((n) % NFDBITS)))
51 #define FD_ISSET(n, p) ((p)->fds_bits[(n)/NFDBITS] & (1L << ((n) % NFDBITS)))

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