+
+/**
+ * trailing_strtol() - extract a trailing integer from a string
+ *
+ * Given a string this finds a trailing number on the string and returns it.
+ * For example, "abc123" would return 123.
+ *
+ * @str: String to exxamine
+ * @return training number if found, else -1
+ */
+long trailing_strtol(const char *str);
+
+/**
+ * trailing_strtoln() - extract a trailing integer from a fixed-length string
+ *
+ * Given a fixed-length string this finds a trailing number on the string
+ * and returns it. For example, "abc123" would return 123. Only the
+ * characters between @str and @end - 1 are examined. If @end is NULL, it is
+ * set to str + strlen(str).
+ *
+ * @str: String to exxamine
+ * @end: Pointer to end of string to examine, or NULL to use the
+ * whole string
+ * @return training number if found, else -1
+ */
+long trailing_strtoln(const char *str, const char *end);
+
+/**
+ * panic() - Print a message and reset/hang
+ *
+ * Prints a message on the console(s) and then resets. If CONFIG_PANIC_HANG is
+ * defined, then it will hang instead of reseting.
+ *
+ * @param fmt: printf() format string for message, which should not include
+ * \n, followed by arguments
+ */