Import and fix old code

1 files changed, 27 insertions, 0 deletions

diff --git a/include/musl/errno.h b/include/musl/errno.h
new file mode 100644
index 0000000..0361b33
--- /dev/null
+++ b/include/musl/errno.h
@@ -0,0 +1,27 @@
+#ifndef	_ERRNO_H
+#define _ERRNO_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <features.h>
+
+#include <bits/errno.h>
+
+#ifdef __GNUC__
+__attribute__((const))
+#endif
+int *__errno_location(void);
+#define errno (*__errno_location())
+
+#ifdef _GNU_SOURCE
+extern char *program_invocation_short_name, *program_invocation_name;
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+