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51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
#ifndef _NET_WH_H
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#define _NET_WH_H
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#ifdef i386
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/* DWORD network to host byte order conversion for i386 */
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#define DN2H(dw) \
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((((dw) & 0xFF000000L) >> 24) | \
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(((dw) & 0x00FF0000L) >> 8) | \
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(((dw) & 0x0000FF00L) << 8) | \
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(((dw) & 0x000000FFL) << 24))
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/* DWORD host to network byte order conversion for i386 */
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#define DH2N(dw) \
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((((dw) & 0xFF000000L) >> 24) | \
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(((dw) & 0x00FF0000L) >> 8) | \
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(((dw) & 0x0000FF00L) << 8) | \
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(((dw) & 0x000000FFL) << 24))
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/* WORD network to host order conversion for i386 */
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#define WN2H(w) \
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((((w) & 0xFF00) >> 8) | \
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(((w) & 0x00FF) << 8))
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/* WORD host to network byte order conversion for i386 */
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#define WH2N(w) \
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((((w) & 0xFF00) >> 8) | \
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(((w) & 0x00FF) << 8))
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#else /* i386 */
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/* DWORD network to host byte order conversion for other architectures */
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#define DN2H(dw) \
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(dw)
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/* DWORD host to network byte order conversion for other architectures */
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#define DH2N(dw) \
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(dw)
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/* WORD network to host order conversion for other architectures */
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#define WN2H(w) \
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(w)
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/* WORD host to network byte order conversion for other architectures */
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#define WH2N(w) \
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(w)
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#endif /* i386 */
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#endif/*_NET_WH_H*/
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