add internal state for <unistd.h>

2 files changed, 25 insertions, 0 deletions

diff --git a/src/unistd/__unistd.c b/src/unistd/__unistd.c
new file mode 100644
index 00000000..eaed9522
--- /dev/null
+++ b/src/unistd/__unistd.c
@@ -0,0 +1,7 @@
+#include "_unistd.h"
+
+struct __unistd __unistd;
+
+/*
+POSIX(1)
+*/
diff --git a/src/unistd/_unistd.h b/src/unistd/_unistd.h
new file mode 100644
index 00000000..87cdd8f1
--- /dev/null
+++ b/src/unistd/_unistd.h
@@ -0,0 +1,18 @@
+#ifndef ___UNISTD_H__
+#define ___UNISTD_H__
+
+#include <sys/types.h>
+#include <unistd.h>
+#include <limits.h>
+
+#ifndef PATH_MAX
+#define PATH_MAX _POSIX_PATH_MAX
+#endif
+
+struct __unistd {
+	char ttyname[PATH_MAX + 1];
+};
+
+extern struct __unistd __unistd;
+
+#endif