+char *getProgramConfigFilename(char *command_filename_ptr)
+{
+ char *command_filename_1 = getStringCopy(command_filename_ptr);
+
+ // strip trailing executable suffix from command filename
+ if (strSuffix(command_filename_1, ".exe"))
+ command_filename_1[strlen(command_filename_1) - 4] = '\0';
+
+ char *command_basepath = getBasePath(command_filename_ptr);
+ char *command_basename = getBaseNameNoSuffix(command_filename_ptr);
+ char *command_filename_2 = getPath2(command_basepath, command_basename);
+
+ char *config_filename_1 = getStringCat2(command_filename_1, ".conf");
+ char *config_filename_2 = getStringCat2(command_filename_2, ".conf");
+
+ // 1st try: look for config file that exactly matches the binary filename
+ if (fileExists(config_filename_1))
+ return config_filename_1;
+
+ // 2nd try: return config filename that matches binary filename without suffix
+ return config_filename_2;
+}
+