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#ifndef __LINUX_UIO_H #define __LINUX_UIO_H #include <linux/types.h> /* * Berkeley style UIO structures - Alan Cox 1994. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License * as published by the Free Software Foundation; either version * 2 of the License, or (at your option) any later version. */ /* A word of warning: Our uio structure will clash with the C library one (which is now obsolete). Remove the C library one from sys/uio.h if you have a very old library set */ struct iovec { void *iov_base; /* BSD uses caddr_t (1003.1g requires void *) */ __kernel_size_t iov_len; /* Must be size_t (1003.1g) */ }; /* * UIO_MAXIOV shall be at least 16 1003.1g (5.4.1.1) */ #define UIO_FASTIOV 8 #define UIO_MAXIOV 1024 #if 0 #define UIO_MAXIOV 16 /* Maximum iovec's in one operation 16 matches BSD */ /* Beg pardon: BSD has 1024 --ANK */ #endif #endif |