diff --git a/libc/kernel/common/linux/ppdev.h b/libc/kernel/common/linux/ppdev.h
new file mode 100644
index 0000000..c43f8b9
--- /dev/null
+++ b/libc/kernel/common/linux/ppdev.h
@@ -0,0 +1,71 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#define PP_IOCTL 'p'
+
+#define PPSETMODE _IOW(PP_IOCTL, 0x80, int)
+
+#define PPRSTATUS _IOR(PP_IOCTL, 0x81, unsigned char)
+#define PPWSTATUS OBSOLETE__IOW(PP_IOCTL, 0x82, unsigned char)
+
+#define PPRCONTROL _IOR(PP_IOCTL, 0x83, unsigned char)
+#define PPWCONTROL _IOW(PP_IOCTL, 0x84, unsigned char)
+
+struct ppdev_frob_struct {
+ unsigned char mask;
+ unsigned char val;
+};
+#define PPFCONTROL _IOW(PP_IOCTL, 0x8e, struct ppdev_frob_struct)
+
+#define PPRDATA _IOR(PP_IOCTL, 0x85, unsigned char)
+#define PPWDATA _IOW(PP_IOCTL, 0x86, unsigned char)
+
+#define PPRECONTROL OBSOLETE__IOR(PP_IOCTL, 0x87, unsigned char)
+#define PPWECONTROL OBSOLETE__IOW(PP_IOCTL, 0x88, unsigned char)
+
+#define PPRFIFO OBSOLETE__IOR(PP_IOCTL, 0x89, unsigned char)
+#define PPWFIFO OBSOLETE__IOW(PP_IOCTL, 0x8a, unsigned char)
+
+#define PPCLAIM _IO(PP_IOCTL, 0x8b)
+
+#define PPRELEASE _IO(PP_IOCTL, 0x8c)
+
+#define PPYIELD _IO(PP_IOCTL, 0x8d)
+
+#define PPEXCL _IO(PP_IOCTL, 0x8f)
+
+#define PPDATADIR _IOW(PP_IOCTL, 0x90, int)
+
+#define PPNEGOT _IOW(PP_IOCTL, 0x91, int)
+
+#define PPWCTLONIRQ _IOW(PP_IOCTL, 0x92, unsigned char)
+
+#define PPCLRIRQ _IOR(PP_IOCTL, 0x93, int)
+
+#define PPSETPHASE _IOW(PP_IOCTL, 0x94, int)
+
+#define PPGETTIME _IOR(PP_IOCTL, 0x95, struct timeval)
+#define PPSETTIME _IOW(PP_IOCTL, 0x96, struct timeval)
+
+#define PPGETMODES _IOR(PP_IOCTL, 0x97, unsigned int)
+
+#define PPGETMODE _IOR(PP_IOCTL, 0x98, int)
+#define PPGETPHASE _IOR(PP_IOCTL, 0x99, int)
+
+#define PPGETFLAGS _IOR(PP_IOCTL, 0x9a, int)
+#define PPSETFLAGS _IOW(PP_IOCTL, 0x9b, int)
+
+#define PP_FASTWRITE (1<<2)
+#define PP_FASTREAD (1<<3)
+#define PP_W91284PIC (1<<4)
+
+#define PP_FLAGMASK (PP_FASTWRITE | PP_FASTREAD | PP_W91284PIC)
+