diff --git a/libc/kernel/arch-x86/asm/user32.h b/libc/kernel/arch-x86/asm/user32.h
new file mode 100644
index 0000000..89eabb1
--- /dev/null
+++ b/libc/kernel/arch-x86/asm/user32.h
@@ -0,0 +1,73 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   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.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef USER32_H
+#define USER32_H 1
+
+struct user_i387_ia32_struct {
+ u32 cwd;
+ u32 swd;
+ u32 twd;
+ u32 fip;
+ u32 fcs;
+ u32 foo;
+ u32 fos;
+ u32 st_space[20];
+};
+
+struct user32_fxsr_struct {
+ unsigned short cwd;
+ unsigned short swd;
+ unsigned short twd;
+ unsigned short fop;
+ int fip;
+ int fcs;
+ int foo;
+ int fos;
+ int mxcsr;
+ int reserved;
+ int st_space[32];
+ int xmm_space[32];
+ int padding[56];
+};
+
+struct user_regs_struct32 {
+ __u32 ebx, ecx, edx, esi, edi, ebp, eax;
+ unsigned short ds, __ds, es, __es;
+ unsigned short fs, __fs, gs, __gs;
+ __u32 orig_eax, eip;
+ unsigned short cs, __cs;
+ __u32 eflags, esp;
+ unsigned short ss, __ss;
+};
+
+struct user32 {
+ struct user_regs_struct32 regs;
+ int u_fpvalid;
+
+ struct user_i387_ia32_struct i387;
+
+ __u32 u_tsize;
+ __u32 u_dsize;
+ __u32 u_ssize;
+ __u32 start_code;
+ __u32 start_stack;
+ __u32 signal;
+ int reserved;
+ __u32 u_ar0;
+
+ __u32 u_fpstate;
+ __u32 magic;
+ char u_comm[32];
+ int u_debugreg[8];
+};
+
+#endif