Tk_NameOfCapStyle man page on Minix

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Tk_GetCapStyle(3)	     Tk Library Procedures	     Tk_GetCapStyle(3)

______________________________________________________________________________

NAME
       Tk_GetCapStyle,	Tk_NameOfCapStyle  - translate between strings and cap
       styles

SYNOPSIS
       #include <tk.h>

       int
       Tk_GetCapStyle(interp, string, capPtr)

       CONST char *
       Tk_NameOfCapStyle(cap)

ARGUMENTS
       Tcl_Interp   *interp   (in)	Interpreter to use for	error  report‐
					ing.

       CONST char   *string   (in)	String	containing  name of cap style:
					one of ```butt'',  ``projecting'',  or
					``round''.

       int	    *capPtr   (out)	Pointer	 to location in which to store
					X cap style corresponding to string.

       int	    cap	      (in)	Cap style: one of CapButt, CapProject‐
					ing, or CapRound.
_________________________________________________________________

DESCRIPTION
       Tk_GetCapStyle  places  in  *capPtr  the	 X  cap style corresponding to
       string.	This will be one of  the  values  CapButt,  CapProjecting,  or
       CapRound.   Cap	styles	are  typically	used in X graphics contexts to
       indicate how the end-points of lines should be capped.  See the X docu‐
       mentation for information on what each style implies.

       Under  normal  circumstances  the  return value is TCL_OK and interp is
       unused.	If string doesn't contain a valid cap style or an abbreviation
       of   one	  of   these  names,  then  an	error  message	is  stored  in
       interp->result, TCL_ERROR is returned, and *capPtr is unmodified.

       Tk_NameOfCapStyle is the logical inverse of  Tk_GetCapStyle.   Given  a
       cap style such as CapButt it returns a statically-allocated string cor‐
       responding to cap.  If cap isn't a legal cap style, then ``unknown  cap
       style'' is returned.

KEYWORDS
       butt, cap style, projecting, round

Tk							     Tk_GetCapStyle(3)
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