Tcl_DStringInit
Tcl_DStringAppend
Tcl_DStringAppendElement
Tcl_DStringStartSublist
Tcl_DStringEndSublist
Tcl_DStringLength
Tcl_DStringValue
Tcl_DStringSetLength
Tcl_DStringFree
Tcl_DStringResult
Tcl_DStringGetResult
manipulate dynamic strings