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Top Forums Programming error: invalid conversion from ‘const char*’ to ‘char*’ Post 302529508 by GSO on Thursday 9th of June 2011 12:20:14 PM
Old 06-09-2011
The function prototype:
Code:
printFiles::printFiles(int  argc,         /* I - Number of command-line arguments */
                          char *argv[],      /* I - Command-line arguments */
                          int &exitstat);    /* O - != 0 if an error occurred */

I was working on the basis it was probably something to do with the version of gcc in use - however compat libs and gcc3 do not seem to fix it.
 

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Tk_GetScrollInfo(3)					       Tk Library Procedures					       Tk_GetScrollInfo(3)

__________________________________________________________________________________________________________________________________________________

NAME
Tk_GetScrollInfo, Tk_GetScrollInfoObj - parse arguments for scrolling commands SYNOPSIS
#include <tk.h> int Tk_GetScrollInfo(interp, argc, argv, dblPtr, intPtr) int Tk_GetScrollInfoObj(interp, objc, objv, dblPtr, intPtr) ARGUMENTS
Tcl_Interp *interp (in) Interpreter to use for error reporting. int argc (in) Number of strings in argv array. const char *argv[] (in) Argument strings. These represent the entire widget command, of which the first word is typically the widget name and the second word is typically xview or yview. int objc (in) Number of Tcl_Obj's in objv array. Tcl_Obj *const objv[] (in) Argument objects. These represent the entire widget command, of which the first word is typically the widget name and the second word is typically xview or yview. double *dblPtr (out) Filled in with fraction from moveto option, if any. int *intPtr (out) Filled in with line or page count from scroll option, if any. The value may be negative. _________________________________________________________________ DESCRIPTION
Tk_GetScrollInfo parses the arguments expected by widget scrolling commands such as xview and yview. It receives the entire list of words that make up a widget command and parses the words starting with argv[2]. The words starting with argv[2] must have one of the following forms: moveto fraction scroll number units scroll number pages Any of the moveto, scroll, units, and pages keywords may be abbreviated. If argv has the moveto form, TK_SCROLL_MOVETO is returned as result and *dblPtr is filled in with the fraction argument to the command, which must be a proper real value. If argv has the scroll form, TK_SCROLL_UNITS or TK_SCROLL_PAGES is returned and *intPtr is filled in with the number value, which must be a proper integer. If an error occurs in parsing the arguments, TK_SCROLL_ERROR is returned and an error message is left in interp->result. Tk_GetScrollInfoObj is identical in function to Tk_GetScrollInfo. However, Tk_GetScrollInfoObj accepts Tcl_Obj style arguments, making it more appropriate for use with new development. KEYWORDS
parse, scrollbar, scrolling command, xview, yview Tk 8.0 Tk_GetScrollInfo(3)
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