1 files changed, 37 insertions, 0 deletions
diff --git a/src/pdclib/functions/_PDCLIB/errno.c b/src/pdclib/functions/_PDCLIB/errno.c
new file mode 100644
index 0000000..13270fc
--- /dev/null
+++ b/src/pdclib/functions/_PDCLIB/errno.c
@@ -0,0 +1,37 @@
+/* _PDCLIB_errno
+
+   This file is part of the Public Domain C Library (PDCLib).
+   Permission is granted to use, modify, and / or redistribute at will.
+*/
+
+#ifndef REGTEST
+
+#include "pdclib/_PDCLIB_int.h"
+
+int _PDCLIB_errno = 0;
+
+int * _PDCLIB_errno_func()
+{
+    return &_PDCLIB_errno;
+}
+
+#endif
+
+#ifdef TEST
+
+#include "_PDCLIB_test.h"
+
+#include <errno.h>
+
+int main( void )
+{
+    errno = 0;
+    TESTCASE( errno == 0 );
+    errno = EDOM;
+    TESTCASE( errno == EDOM );
+    errno = ERANGE;
+    TESTCASE( errno == ERANGE );
+    return TEST_RESULTS;
+}
+
+#endif