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Annotation of 43BSD/contrib/X/Xlib/Xkeymap.h, revision 1.1.1.1

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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