74 lines
2.1 KiB
C
Executable File
74 lines
2.1 KiB
C
Executable File
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
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/* All Rights Reserved */
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/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T */
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/* The copyright notice above does not evidence any */
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/* actual or intended publication of such source code. */
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#ifndef _SYS_EUCIOCTL_H
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#define _SYS_EUCIOCTL_H
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#pragma ident "@(#)eucioctl.h 1.10 93/11/01 SMI" /* SVr4.0 1.4 */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* /usr/include/sys/eucioctl.h:
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*
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* Header for EUC width information to LD modules.
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*/
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#ifndef EUC_IOC
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#define EUC_IOC (('E' | 128) << 8)
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#endif
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#define EUC_WSET (EUC_IOC | 1)
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#define EUC_WGET (EUC_IOC | 2)
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#define EUC_MSAVE (EUC_IOC | 3)
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#define EUC_MREST (EUC_IOC | 4)
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#define EUC_IXLOFF (EUC_IOC | 5)
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#define EUC_IXLON (EUC_IOC | 6)
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#define EUC_OXLOFF (EUC_IOC | 7)
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#define EUC_OXLON (EUC_IOC | 8)
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/*
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* This structure should really be the same one as defined in "euc.h",
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* but we want to minimize the number of bytes sent downstream to each
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* module -- this should make it 8 bytes -- therefore, we take only the
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* info we need. The major assumptions here are that no EUC character
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* set has a character width greater than 255 bytes, and that no EUC
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* character consumes more than 255 screen columns. Let me know if this
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* is an unsafe assumption...
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*/
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struct eucioc {
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unsigned char eucw[4];
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unsigned char scrw[4];
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};
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typedef struct eucioc eucioc_t;
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/*
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* The following defines are for LD modules to broadcast the state of
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* their "icanon" bit.
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*
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* The message type is M_CTL; message block 1 has a data block containing
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* an "iocblk"; EUC_BCAST is put into the "ioc_cmd" field. The "b_cont"
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* of the first message block points to a second message block. The second
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* message block is type M_DATA; it contains 1 byte that is either EUC_B_RAW
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* or EUC_B_CANON depending on the state of the "icanon" bit. EUC line
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* disciplines should take care to broadcast this information when they are
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* in multibyte character mode.
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*/
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#define EUC_BCAST EUC_IOC|16
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#define EUC_B_CANON '\177'
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#define EUC_B_RAW '\001' /* MUST be non-zero! */
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SYS_EUCIOCTL_H */
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