1 #include <errno.h>
2
3 /** @file
4 *
5 * Error codes
6 *
7 * This file provides the global variable #errno.
8 *
9 */
10
11 /**
12 * Global "last error" number.
13 *
14 * This is valid only when a function has just returned indicating a
15 * failure.
16 *
17 */
18 int errno;
19