Example 7
/*------------------------------------------------------------
* CmdReturn *Demo_GetCmd ()--
* Demonstrates retrieving a value from a hash table.
* Returns the value of the requested item in the hash table
*
* Arguments
* objv[0]: "demo"
* objv[1]: "get"
* objv[2]: hash Key
*
* Results
* No changes to hash table. Returns saved value, or sets error.
*
* Side Effects:
* None
------------------------------------------------------------*/
CmdReturn *Demo_GetCmd (ClientData info,
Tcl_Interp *interp,
int objc,
Tcl_Obj *objv[]) {
Tcl_HashEntry *hashEntryPtr;
CmdReturn *returnStructPtr;
char *returnCharPtr;
Tcl_Obj *returnObjPtr; ...
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