383 lines
14 KiB
Groff
383 lines
14 KiB
Groff
.de It
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.br
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.ie \\n(.$>=3 .ne \\$3
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.el .ne 3
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.IP "\\$1" \\$2
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..
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.TH cdk_graph 3 "18 March 1997"
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.SH NAME
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newCDKGraph, setCDKGraph,
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setCDKGraphValues, getCDKGraphValues,
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setCDKGraphValue, getCDKGraphValue,
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setCDKGraphValues, getCDKGraphValues,
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setCDKGraphCharacters, getCDKGraphCharacters,
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setCDKGraphCharacter, getCDKGraphCharacter,
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setCDKGraphDisplayType, getCDKGraphDisplayType,
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setCDKGraphBox, getCDKGraphBox,
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setCDKGraphULChar, setCDKGraphURChar,
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setCDKGraphLLChar, setCDKGraphLRChar,
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setCDKGraphVerticalChar, setCDKGraphHorizontalChar,
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setCDKGraphBoxAttribute,
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setCDKGraphBackgroundColor,
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drawCDKGraph, eraseCDKGraph,
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destroyCDKGraph \- Creates a managed curses graph widget.
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.SH SYNOPSIS
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.LP
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.B cc
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.RI "[ " "flag" " \|.\|.\|. ] " "file" " \|.\|.\|."
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.B \-lcdk
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.RI "[ " "library" " \|.\|.\|. ]"
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.LP
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#include <cdk.h>
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.LP
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.BI "CDKGRAPH *newCDKGraph (CDKSCREEN *" "cdkscreen",
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.BI "int " "xpos",
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.BI "int " "ypos",
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.BI "int " "height",
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.BI "int " "width",
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.BI "char *" "title",
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.BI "char *" "xtitle",
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.BI "char *" "ytitle");
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.LP
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.BI "void setCDKGraph (CDKGRAPH *" "graph",
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.BI "int *" "values",
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.BI "int " "valueCount",
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.BI "char *" "graphCharacters",
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.BI "boolean " "startAtZero",
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.BI "EGraphDisplayType " "displayType");
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.LP
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.BI "void setCDKGraphValues (CDKGRAPH *" "graph",
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.BI "int *" "values",
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.BI "int " "valueCount",
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.BI "boolean " "startAtZero");
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.LP
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.BI "int *getCDKGraphValues (CDKGRAPH *" "graph");
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.LP
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.BI "void setCDKGraphValue (CDKGRAPH *" "graph",
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.BI "int " "index",
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.BI "int " "value",
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.BI "boolean " "startAtZero");
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.LP
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.BI "int getCDKGraphValue (CDKGRAPH *" "graph",
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.BI "int " "index");
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.LP
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.BI "void setCDKGraphCharacters (CDKGRAPH *" "graph",
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.BI "char *" "graphCharacters");
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.LP
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.BI "char *getCDKGraphCharacters (CDKGRAPH *" "graph");
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.LP
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.BI "void setCDKGraphCharacter (CDKGRAPH *" "graph",
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.BI "int " "index",
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.BI "char *" "graphCharacter");
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.LP
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.BI "char *getCDKGraphCharacter (CDKGRAPH *" "graph",
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.BI "int " "index");
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.LP
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.BI "void setCDKGraphDisplayType (CDKGRAPH *" "graph",
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.BI "EGraphDisplayType " "type");
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.LP
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.BI "EGraphDIsplayType setCDKGraphDisplayType (CDKGRAPH *" "graph");
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.LP
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.BI "void setCDKGraphBox (CDKGRAPH *" "graph",
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.BI "boolean " "box");
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.LP
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.BI "boolean setCDKGraphBox (CDKGRAPH *" "graph");
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.LP
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.BI "void setCDKGraphULChar (CDKGRAPH *", "graph",
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.BI "chtype " "character");
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.LP
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.BI "void setCDKGraphURChar (CDKGRAPH *", "graph",
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.BI "chtype " "character");
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.LP
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.BI "void setCDKGraphLLChar (CDKGRAPH *", "graph",
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.BI "chtype " "character");
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.LP
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.BI "void setCDKGraphLRChar (CDKGRAPH *", "graph",
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.BI "chtype " "character");
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.LP
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.BI "void setCDKGraphVerticalChar (CDKGRAPH *", "graph",
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.BI "chtype " "character");
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.LP
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.BI "void setCDKGraphHorizontalChar (CDKGRAPH *", "graph",
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.BI "chtype " "character");
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.LP
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.BI "void setCDKGraphBoxAttribute (CDKGRAPH *", "graph",
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.BI "chtype " "character");
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.LP
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.BI "void setCDKGraphBackgroundColor (CDKGRAPH *", "graph",
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.BI "char * " "color");
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.LP
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.BI "void moveCDKGraph (CDKGRAPH *" "graph",
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.BI "int " "box",
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.BI "int " "box",
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.BI "boolean " "relative",
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.BI "boolean " "refresh");
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.LP
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.BI "void positionCDKGraph (CDKGRAPH *" "graph");
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.LP
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.BI "void drawCDKGraph (CDKGRAPH *" "graph",
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.BI "boolean " "box");
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.LP
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.BI "void eraseCDKGraph (CDKGRAPH *" "graph");
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.LP
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.BI "void destroyCDKGraph (CDKGRAPH *" "graph");
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.LP
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.SH DESCRIPTION
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The Cdk graph widget creates a graph widget. This widget can draw a graph in
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both plot mode and line mode. The following are functions which create or
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manipulate the Cdk graph box widget.
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.SH AVAILABLE FUNCTIONS
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CDKGRAPH *newCDKGraph (CDKSCREEN *\f2screen\f1, int \f2xpos\f1, int \f2ypos\f1, int \f2height\f1, int \f2width\f1, char *\f2title\f1, char *\f2xtitle\f1, char *\f2ytitle\f1);
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.RS 3
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This function creates a pointer to a graph widget. The \f2screen\f1 parameter
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is the screen you wish this widget to be placed in. The parameter \f2xpos\f1
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controls the placement of the object along the horizontal axis. This parameter
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can accept an integer value or one of the pre-defined values of \f4LEFT\f1,
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\f4RIGHT\f1, and \f4CENTER\f1. The parameter \f2ypos\f1 controls the placement
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of the object along the vertical axis. This parameter can accept an integer
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value or one of the pre-defined values of \f4TOP\f1, \f4BOTTOM\f1, and \f4CENTER\f1.
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The parameters \f2height\f1 and \f2width\f1 control the height and width of the
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widget. If you provide a value of zero for either of the height or the width,
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the widget will be created with the full width and height of the screen. If
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you provide a negative value, the widget will be created the full height or
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width minus the value provided. The three parameters: \f2title\f1, \f2xtitle\f1,
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and \f2ytitle\f1, are the graph title, the X axis title, and the Y axis title
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respectively. The graph title can be more than one line; just provide a
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carriage return character at the line break. If the widget could not be
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created then a \f4NULL\f1 pointer is returned.
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.RE
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void setCDKGraph (CDKGRAPH *\f2graph\f1, int *\f2values\f1, int \f2valueCount\f1, chtype *\f2graphCharacters\f1, boolean \f2startAtZero\f1, EGraphDisplayType \f2displayType\f1);
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.RS 3
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This function lets the programmer set the specific values of the graph widget.
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The parameter \f2values\f1 is an integer array of the values to display in the
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widget; \f2valueCount\f1 is the number of values in the array. The parameter
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\f2graphCharacters\f1 is an array of the characters to use for each graph point.
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The parameter \f2startAtZero\f1 states whether you want the graph to start at
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zero or the lowest values of the X and Y axis'. The parameter \f2displayType\f1
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accepts either \f4vPLOT\f1, to make the graph draw the values as a plot graph,
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or \f4vLINE\f1 to draw the values as a line graph.
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.RE
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void setCDKGraphValues (CDKGRAPH *\f2graph\f1, int *\f2values\f1, int \f2valueCount\f1, boolean \f2startAtZero\f1);
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.RS 3
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This function lets the programmer set the specific values of the graph widget.
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The parameter \f2values\f1 is an integer array of the values to display in the
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widget; where \f2valueCount\f1 is the number of values in the array. The
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parameter \f2startAtZero\f1 states whether you want the graph to start at
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zero or the lowest values of the X and Y axis'.
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.RE
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char *getCDKGraphValues (CDKGRAPH *\f2graph\f1);
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.RS 3
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This returns all the values currently in the graph widget.
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.RE
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void setCDKGraphValue (CDKGRAPH *\f2graph\f1, int \f2value\f1, boolean \f2startAtZero\f1);
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.RS 3
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This function lets the programmer set a specific value of the graph widget.
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The parameter \f2value\f1 is the new value, while \f2index\f1 is the
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index where the new value will be stored. The parameter \f2startAtZero\f1
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states whether you want the graph to start at zero or the lowest values of
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the X and Y axis'.
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.RE
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char getCDKGraphValue (CDKGRAPH *\f2graph\f1, int \f2index\f1);
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.RS 3
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This returns the value in the graph at the given index.
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.RE
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void setCDKGraphCharacters (CDKGRAPH *\f2graph\f1, char *\f2characters\f1);
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.RS 3
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This function lets the programmer set the specific characters of the graph widget.
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The parameter \f2characters\f1 is a char pointer array of the characters to display
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in the widget.
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.RE
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chtype *getCDKGraphCharacters (CDKGRAPH *\f2graph\f1);
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.RS 3
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This returns all the characters currently in the graph widget.
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.RE
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void setCDKGraphCharacter (CDKGRAPH *\f2graph\f1, int \f2character\f1);
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.RS 3
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This function lets the programmer set a specific character of the graph widget.
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The parameter \f2character\f1 is the new character, while \f2index\f1 is the
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index where the new character will be stored.
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.RE
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chtype getCDKGraphCharacter (CDKGRAPH *\f2graph\f1, int \f2index\f1);
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.RS 3
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This returns the character in the graph at the given index.
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.RE
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void setCDKGraphDisplayType (CDKGRAPH *\f2graph\f1, EGraphDisplayType \f2type\f1);
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.RS 3
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This function allows the programmer to change the way the graph draws itself.
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The parameter \f2displayType\f1 accepts either \f4vPLOT\f1, to make the graph
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draw the values as a plot graph, or \f4vLINE\f1 to draw the values as a line
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graph.
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.RE
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EGraphDisplayType getCDKGraphDisplayType (CDKGRAPH *\f2graph\f1);
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.RS 3
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This returns the current display type of the widget.
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.RE
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void setCDKGraphBox (CDKGRAPH *\f2graph\f1, boolean \f2boxWidget\f1);
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.RS 3
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This sets whether or not the widget will be draw with a box around it.
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.RE
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boolean getCDKGraphBox (CDKGRAPH *\f2graph\f1);
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.RS 3
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This returns whether or not the widget will be drawn with a box around it.
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.RE
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void setCDKGraphULChar (CDKGRAPH *\f2graph\f1, chtype \f2character\f1);
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.RS 3
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This function sets the upper left hand corner of the widgets box to
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the given character.
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.RE
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void setCDKGraphURChar (CDKGRAPH *\f2graph\f1, chtype \f2character\f1);
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.RS 3
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This function sets the upper right hand corner of the widgets box to
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the given character.
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.RE
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void setCDKGraphLLChar (CDKGRAPH *\f2graph\f1, chtype \f2character\f1);
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.RS 3
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This function sets the lower left hand corner of the widgets box to
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the given character.
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.RE
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void setCDKGraphLRChar (CDKGRAPH *\f2graph\f1, chtype \f2character\f1);
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.RS 3
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This function sets the lower right hand corner of the widgets box to
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the given character.
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.RE
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void setCDKGraphVerticalChar (CDKGRAPH *\f2graph\f1, chtype \f2character\f1);
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.RS 3
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This function sets the vertical drawing character for the box to
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the given character.
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.RE
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void setCDKGraphHorizontalChar (CDKGRAPH *\f2graph\f1, chtype \f2character\f1);
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.RS 3
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This function sets the horizontal drawing character for the box to
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the given character.
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.RE
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void setCDKGraphBoxAttribute (CDKGRAPH *\f2graph\f1, chtype \f2attribute\f1);
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.RS 3
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This function sets the attribute of the box.
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.RE
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void setCDKGraphBackgroundColor (CDKGRAPH *\f2graph\f1, char *\f2color\f1);
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.RS 3
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This sets the background color of the widget. The parameter \f2color\f1
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is in the format of the Cdk format strings. To get more information look
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at the \f4cdk_display\f1 manual page.
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.RE
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void moveCDKGraph (CDKGRAPH *\f2graph\f1, int \f2xpos\f1, int \f2ypos\f1, boolean \f2relative\f1, boolean \f2refresh\f1);
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.RS 3
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This function moves the given widget to the given position. The parameters
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\f2xpos\f1 and \f2ypos\f1 is the new position of the widget. The parameter
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\f2xpos\f1 can accept an integer value or one of the pre-defined values of
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\f4TOP\f1, \f4BOTTOM\f1, and \f4CENTER\f1. The parameter \f2ypos\f1 can
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accept an integer value or one of the pre-defined values of \f4LEFT\f1,
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\f4RIGHT\f1, and \f4CENTER\f1. The parameter \f2relative\f1 states whether
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the \f2xpos\f1/\f2ypos\f1 pair is a relative move or an absolute move. For
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example if \f2xpos\f1 = 1 and \f2ypos\f1 = 2 and \f2relative\f1 = \f2TRUE\f1,
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then the widget would move one row down and two columns right. If the value
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of \f2relative\f1 was \f2FALSE\f1 then the widget would move to the position
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(1,2). Do not use the values of \f4TOP\f1, \f4BOTTOM\f1, \f4LEFT\f1,
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\f4RIGHT\f1, or \f4CENTER\f1 when \f2relative\f1 = \f4TRUE\f1. (weird things
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may happen). The final parameter \f2refresh\f1 is a boolean value which states
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whether the widget will get refreshed after the move or not.
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.RE
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void positionCDKGraph (CDKGRAPH *\f2graph\f1);
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.RS 3
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This function allows the user to move the widget around the screen via the
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cursor/keypad keys. The following key bindings can be used to move the
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widget around the screen.
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.LP
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.nf
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\f4Key Bindings\f1
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.RS 3
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\f2Key Action\f1
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Up Arrow Moves the widget up one line.
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Down Arrow Moves the widget down one line.
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Left Arrow Moves the widget left one column
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Right Arrow Moves the widget right one column
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Keypad-1 Moves the widget down one line
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and left one column.
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Keypad-2 Moves the widget down one line.
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Keypad-3 Moves the widget down one line
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and right one column.
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Keypad-4 Moves the widget left one column
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Keypad-5 Centers the widget both vertically
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and horizontally.
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Keypad-6 Moves the widget right one column
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Keypad-7 Moves the widget up one line
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and left one column.
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Keypad-8 Moves the widget up one line.
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Keypad-9 Moves the widget up one line
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and right one column.
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t Moves the widget to the top of the screen.
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b Moves the widget to the bottom of the screen.
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l Moves the widget to the left of the screen.
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r Moves the widget to the right of the screen.
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c Centers the widget between the left and
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right of the window.
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C Centers the widget between the top and
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bottom of the window.
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Escape Returns the widget to its original position.
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Return Exits the function and leaves the widget
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where it was.
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.fi
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.RE
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.RS 3
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.LP
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Keypad means that if the keyboard you are using has a keypad, then the
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Num-Lock light has to be on in order to use the keys as listed. (The
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numeric keys at the top of the keyboard will work as well.)
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.LP
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void drawCDKGraph (CDKGRAPH *\f2graph\f1, boolean \f2box\f1);
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.RS 3
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This function draws the graph widget on the screen. The \f2box\f1 option
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draws the widget with or without a box.
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.RE
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void eraseCDKGraph (CDKGRAPH *\f2graph\f1);
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.RS 3
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This function removes the widget from the screen. This does \f4NOT\f1 destroy
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the widget.
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.RE
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void destroyCDKGraph (CDKGRAPH *\f2graph\f1);
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.RS 3
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This function removes the widget from the screen and frees up any memory the
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object may be using.
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.RE
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.SH SEE ALSO
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.BR cdk (3),
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.BR cdk_binding (3),
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.BR cdk_display (3),
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.BR cdk_screen (3)
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.SH NOTES
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.PP
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The header file \f4<cdk.h>\f1 automatically includes the header files
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\f4<curses.h>\f1, \f4<stdlib.h>\f1, \f4<string.h>\f1, \f4<ctype.h>\f1,
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\f4<unistd.h>\f1, \f4<dirent.h>\f1, \f4<time.h>\f1, \f4<errno.h>\f1,
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\f4<pwd.h>\f1, \f4<grp.h>\f1, \f4<sys/stat.h>\f1, and \f4<sys/types.h>\f1.
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The \f4<curses.h>\f1 header file includes \f4<stdio.h>\f1 and \f4<unctrl.h>\f1.
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.PP
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If you have \f4Ncurses\f1 installed on your machine add -DNCURSES to the
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compile line to include the Ncurses header files instead.
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