63 lines
1.3 KiB
C
63 lines
1.3 KiB
C
/* Copyright (C) 1996, 2000 N.M. Maclaren
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Copyright (C) 1996, 2000 The University of Cambridge
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This includes all of the kludges necessary for certain broken systems. It is
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called after all other headers. All of the modules set a flag to say which
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they are, but none of the current kludges critically need that information. */
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/* stdlib.h is broken under SunOS4. */
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#ifndef EXIT_SUCCESS
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#define EXIT_SUCCESS 0
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#define EXIT_FAILURE 1
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#endif
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/* stdio.h is also broken under SunOS4. */
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#ifndef SEEK_SET
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#define SEEK_SET 0
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#endif
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/* netinet/in.h sometimes omits INADDR_LOOPBACK, or makes it conditional on
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peculiar preprocessor symbols. */
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#ifndef INADDR_LOOPBACK
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#define INADDR_LOOPBACK 0x7f000001ul
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#endif
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/* HP-UX up to version 9.x does not have adjtime, so make it fail. This needs
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a flag setting in Makefile. */
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#ifdef ADJTIME_MISSING
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#define adjtime(x,y) 1
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#endif
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/* O_NONBLOCK doesn't work under Ultrix 4.3. This needs a flag setting in
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Makefile. */
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#ifdef NONBLOCK_BROKEN
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#ifdef O_NONBLOCK
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#undef O_NONBLOCK
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#endif
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#define O_NONBLOCK O_NDELAY
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#endif
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/* Some older systems use EWOULDBLOCK rather than EAGAIN, but don't assume that
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it is defined. The differences are not relevant to this program. */
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#ifndef EWOULDBLOCK
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#define EWOULDBLOCK EAGAIN
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#endif
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