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Annotation of 43BSD/contrib/X/Xlib/Xkeymap.h, revision 1.1

1.1     ! root        1: #include <X/mit-copyright.h>
        !             2: 
        !             3: /* $Header: Xkeymap.h,v 10.5 86/02/01 15:41:53 tony Rel $ */
        !             4: /* Copyright 1985, Massachusetts Institute of Technology */
        !             5: 
        !             6: #define X_KEYMAP_MAGIC 0372  /* magic number which must be first byte
        !             7:                                of a keymap file */
        !             8: 
        !             9: /* KeyMap: contains single-byte character bindings, or indications
        !            10:    that a keycode is actually bound in the extension or runtime table */
        !            11: 
        !            12: typedef unsigned char KeyMapElt [16];
        !            13: 
        !            14: #define UNBOUND (unsigned char)'\377'
        !            15: #define EXTENSION_BOUND (unsigned char)'\376'
        !            16: #define RUNTIME_TABLE_BOUND (unsigned char)'\375'
        !            17: #define SingleCharBound(c) ((unsigned char)c < (unsigned char)'\375')
        !            18: 
        !            19: /* Extension: contains multiple-byte character bindings from
        !            20:    the keymap file.  Not modified at runtime.  */
        !            21: 
        !            22: typedef struct {
        !            23:     unsigned char keycode;
        !            24:     unsigned char metabits;
        !            25:     unsigned char length;
        !            26:     } ExtensionHeader;
        !            27: 
        !            28: #define ExtensionHeaderSize 3
        !            29:     /* since sizeof (ExtensionHeader) is 4 on some machines, e.g. Sun */
        !            30: 
        !            31: /* macro used to iterate through the extension */
        !            32: #define NextExtension(this) \
        !            33:   this = (ExtensionHeader *) ((char *)this + ExtensionHeaderSize + this->length)
        !            34: 
        !            35: #define DontCareMetaBits 0377
        !            36:   /* appears in extension whenever the binding applies to all possible
        !            37:      combinations of shift/lock/meta/control keys */

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