void write_setting_s(void *handle, char *key, char *value)
void write_setting_s(void *handle, const char *key, const char *value)
void write_setting_s(void *handle, char *key, char *value){    if (handle)	RegSetValueEx((HKEY) handle, key, 0, REG_SZ, value,		      1 + strlen(value));}