TCL_UpVar - make a link from a tcl source variable to a tcl destination variable
make a link from a tcl source variable to a tcl destination variable.
TCL_SetVar('Scilab','OK')
TCL_UpVar('Scilab','ScilabBis')
TCL_GetVar('ScilabBis')
TCL_SetVar('Scilab','NOK')
TCL_GetVar('ScilabBis')
TCL_SetVar('ScilabBis','modified')
TCL_GetVar('ScilabBis')
TCL_GetVar('Scilab')
TCL_ExistVar , TCL_SetVar , TCL_GetVar ,
Allan CORNET