1 files changed, 19 insertions, 0 deletions
diff --git a/src/errno/errno.h b/src/errno/errno.h
new file mode 100644
index 00000000..c0f379c5
--- /dev/null
+++ b/src/errno/errno.h
@@ -0,0 +1,19 @@
+#define errno                                                       (*__errno())
+
+/** get system errors **/
+
+/***
+is a modifiable lvalue of type TYPE(int) which is used to
+indicate errors in standard library functions. It may be a macro or an
+identifier with external linkage. It is initialized to 0 at program start,
+but no function in the standard library will set it to 0. Library functions
+may set it to a non-zero value if its use is not documented in their
+description.
+***/
+
+/*
+UNSPECIFIED(Whether THIS() is declared as a macro or an identifier with external linkage (C89, C95, and C99 only))
+UNDEFINED(A macro definition of THIS() is suppressed)
+UNDEFINED(A program defines an identifier named THIS())
+STDC(1)
+*/