diff --git a/src/llvmio.jl b/src/llvmio.jl
index dd48162..dfb45a8 100644
--- a/src/llvmio.jl
+++ b/src/llvmio.jl
@@ -263,6 +263,22 @@
           ret i64 %jlfp
         }
 
+        attributes #0 = { alwaysinline nounwind ssp uwtable }
+        """, "main"), Ptr{FILE}, Tuple{})
+    end
+elseif Sys.iswindows()
+    @inline function stdoutp()
+        @assert Int===Int64
+        Base.llvmcall(("""
+        declare i8* @__acrt_iob_func(i32 noundef)
+
+        define i64 @main() #0 {
+        entry:
+          %ptr = call i8* @__acrt_iob_func(i32 noundef 1)
+          %jlfp = ptrtoint i8* %ptr to i64
+          ret i64 %jlfp
+        }
+
         attributes #0 = { alwaysinline nounwind ssp uwtable }
         """, "main"), Ptr{FILE}, Tuple{})
     end
@@ -316,6 +332,22 @@ end
           ret i64 %jlfp
         }
 
+        attributes #0 = { alwaysinline nounwind ssp uwtable }
+        """, "main"), Ptr{FILE}, Tuple{})
+    end
+elseif Sys.iswindows()
+    @inline function stderrp()
+        @assert Int===Int64
+        Base.llvmcall(("""
+        declare i8* @__acrt_iob_func(i32 noundef)
+
+        define i64 @main() #0 {
+        entry:
+          %ptr = call i8* @__acrt_iob_func(i32 noundef 2)
+          %jlfp = ptrtoint i8* %ptr to i64
+          ret i64 %jlfp
+        }
+
         attributes #0 = { alwaysinline nounwind ssp uwtable }
         """, "main"), Ptr{FILE}, Tuple{})
     end
@@ -365,6 +397,22 @@ end
           ret i64 %jlfp
         }
 
+        attributes #0 = { alwaysinline nounwind ssp uwtable }
+        """, "main"), Ptr{FILE}, Tuple{})
+    end
+elseif Sys.iswindows()
+    @inline function stdinp()
+        @assert Int===Int64
+        Base.llvmcall(("""
+        declare i8* @__acrt_iob_func(i32 noundef)
+
+        define i64 @main() #0 {
+        entry:
+          %ptr = call i8* @__acrt_iob_func(i32 noundef 0)
+          %jlfp = ptrtoint i8* %ptr to i64
+          ret i64 %jlfp
+        }
+
         attributes #0 = { alwaysinline nounwind ssp uwtable }
         """, "main"), Ptr{FILE}, Tuple{})
     end