48 lines
1.0 KiB
C
48 lines
1.0 KiB
C
/**********
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Copyright 1990 Regents of the University of California. All rights reserved.
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Author: 1988 Jeffrey M. Hsu
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**********/
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/*
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Defs to use the Input routine.
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char_option is used by the lexer and the command interpreter
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response.reply contains a pointer to a character
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button_option is used by the menu system and the help package
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response.reply contains the button number
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click_option is used in the X10 version for the hardcopy command
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response.reply is the associated graph structure
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checkup_option is for handling and pending asynchonous events
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*/
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#ifndef _INPUT_H_
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#define _INPUT_H_
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#include <stdio.h>
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#include "graph.h"
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typedef enum {
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error_option, /* a reply option only */
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button_option,
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char_option,
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click_option,
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checkup_option
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} OPTION;
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typedef struct request {
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OPTION option;
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FILE *fp;
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} REQUEST;
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typedef struct response {
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OPTION option;
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union {
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int ch;
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GRAPH *graph;
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int button;
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} reply;
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} RESPONSE;
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#endif /* notdef _INPUT_H_ */
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