Add unistd.h header

diff --git a/include/unistd.h b/include/unistd.h
new file mode 100644 (file)
index 0000000..5c9d929
--- /dev/null
+++ b/include/unistd.h
@@ -0,0 +1,12 @@
+#ifndef _UNISTD_H
+#define _UNISTD_H
+
+#include <sys/types.h>
+#include <corax/types.h>
+
+extern pid_t fork(void);
+extern pid_t vfork(void);
+extern int execfve(void*, const char**, const char**);
+extern unsigned int sleep(unsigned int);
+
+#endif /* _UNISTD_H */