* @retval argcPtr address of returned no. of arguments
* @retval argvPtr address of returned argument array
*/
-int poptParseArgvString(const char * s,
+int poptParseArgvString(const unsigned char * s,
/*@out@*/ int * argcPtr, /*@out@*/ const char *** argvPtr)
/*@modifies *argcPtr, *argvPtr @*/;