diff --git a/Ch0_Lab4/.vs/Ch0_Lab4/v16/.suo b/Ch0_Lab4/.vs/Ch0_Lab4/v16/.suo
new file mode 100644
index 0000000..66239c3
Binary files /dev/null and b/Ch0_Lab4/.vs/Ch0_Lab4/v16/.suo differ
diff --git a/Ch0_Lab4/.vs/Ch0_Lab4/v16/Browse.VC.db b/Ch0_Lab4/.vs/Ch0_Lab4/v16/Browse.VC.db
new file mode 100644
index 0000000..647e758
Binary files /dev/null and b/Ch0_Lab4/.vs/Ch0_Lab4/v16/Browse.VC.db differ
diff --git a/Ch0_Lab4/.vs/Ch0_Lab4/v16/ipch/AutoPCH/eb8431f2ea92603d/MAIN.ipch b/Ch0_Lab4/.vs/Ch0_Lab4/v16/ipch/AutoPCH/eb8431f2ea92603d/MAIN.ipch
new file mode 100644
index 0000000..809db42
Binary files /dev/null and b/Ch0_Lab4/.vs/Ch0_Lab4/v16/ipch/AutoPCH/eb8431f2ea92603d/MAIN.ipch differ
diff --git a/Ch0_Lab4/Ch0_Lab4.sln b/Ch0_Lab4/Ch0_Lab4.sln
new file mode 100644
index 0000000..c56bd3f
--- /dev/null
+++ b/Ch0_Lab4/Ch0_Lab4.sln
@@ -0,0 +1,31 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.29306.81
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Ch0_Lab4", "Ch0_Lab4\Ch0_Lab4.vcxproj", "{1FF78016-8A58-45EB-B6C0-93ACC46F14C7}"
+EndProject
+Global
+ GlobalSection(SolutionConfigurationPlatforms) = preSolution
+ Debug|x64 = Debug|x64
+ Debug|x86 = Debug|x86
+ Release|x64 = Release|x64
+ Release|x86 = Release|x86
+ EndGlobalSection
+ GlobalSection(ProjectConfigurationPlatforms) = postSolution
+ {1FF78016-8A58-45EB-B6C0-93ACC46F14C7}.Debug|x64.ActiveCfg = Debug|x64
+ {1FF78016-8A58-45EB-B6C0-93ACC46F14C7}.Debug|x64.Build.0 = Debug|x64
+ {1FF78016-8A58-45EB-B6C0-93ACC46F14C7}.Debug|x86.ActiveCfg = Debug|Win32
+ {1FF78016-8A58-45EB-B6C0-93ACC46F14C7}.Debug|x86.Build.0 = Debug|Win32
+ {1FF78016-8A58-45EB-B6C0-93ACC46F14C7}.Release|x64.ActiveCfg = Release|x64
+ {1FF78016-8A58-45EB-B6C0-93ACC46F14C7}.Release|x64.Build.0 = Release|x64
+ {1FF78016-8A58-45EB-B6C0-93ACC46F14C7}.Release|x86.ActiveCfg = Release|Win32
+ {1FF78016-8A58-45EB-B6C0-93ACC46F14C7}.Release|x86.Build.0 = Release|Win32
+ EndGlobalSection
+ GlobalSection(SolutionProperties) = preSolution
+ HideSolutionNode = FALSE
+ EndGlobalSection
+ GlobalSection(ExtensibilityGlobals) = postSolution
+ SolutionGuid = {4DB35B12-8325-4B50-AC9E-12F1C552CF6D}
+ EndGlobalSection
+EndGlobal
diff --git a/Ch0_Lab4/Ch0_Lab4/Ch0_Lab4.vcxproj b/Ch0_Lab4/Ch0_Lab4/Ch0_Lab4.vcxproj
new file mode 100644
index 0000000..30bd2ee
--- /dev/null
+++ b/Ch0_Lab4/Ch0_Lab4/Ch0_Lab4.vcxproj
@@ -0,0 +1,135 @@
+
+
+
+
+ Debug
+ Win32
+
+
+ Release
+ Win32
+
+
+ Debug
+ x64
+
+
+ Release
+ x64
+
+
+
+ 16.0
+ {1FF78016-8A58-45EB-B6C0-93ACC46F14C7}
+ Ch0Lab4
+ 10.0
+
+
+
+ Application
+ true
+ v142
+ MultiByte
+
+
+ Application
+ false
+ v142
+ true
+ MultiByte
+
+
+ Application
+ true
+ v142
+ MultiByte
+
+
+ Application
+ false
+ v142
+ true
+ MultiByte
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ ..\..\temp\debug
+ ..\..\temp\debug
+
+
+
+ Level3
+ Disabled
+ true
+ true
+ C:\c_code\106-Ch0-Lab4\include;%(AdditionalIncludeDirectories)
+
+
+ Console
+
+
+
+
+ Level3
+ Disabled
+ true
+ true
+
+
+ Console
+
+
+
+
+ Level3
+ MaxSpeed
+ true
+ true
+ true
+ true
+
+
+ Console
+ true
+ true
+
+
+
+
+ Level3
+ MaxSpeed
+ true
+ true
+ true
+ true
+
+
+ Console
+ true
+ true
+
+
+
+
+
+
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+
+
\ No newline at end of file
diff --git a/Ch0_Lab4/Ch0_Lab4/Ch0_Lab4.vcxproj.filters b/Ch0_Lab4/Ch0_Lab4/Ch0_Lab4.vcxproj.filters
new file mode 100644
index 0000000..be2c236
--- /dev/null
+++ b/Ch0_Lab4/Ch0_Lab4/Ch0_Lab4.vcxproj.filters
@@ -0,0 +1,18 @@
+
+
+
+
+ {4FC737F1-C7A5-4376-A066-2A32D752A2FF}
+ cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx
+
+
+ {93995380-89BD-4b04-88EB-625FBE52EBFB}
+ h;hh;hpp;hxx;hm;inl;inc;ipp;xsd
+
+
+
+
+ source
+
+
+
\ No newline at end of file
diff --git a/Ch0_Lab4/Ch0_Lab4/Ch0_Lab4.vcxproj.user b/Ch0_Lab4/Ch0_Lab4/Ch0_Lab4.vcxproj.user
new file mode 100644
index 0000000..88a5509
--- /dev/null
+++ b/Ch0_Lab4/Ch0_Lab4/Ch0_Lab4.vcxproj.user
@@ -0,0 +1,4 @@
+
+
+
+
\ No newline at end of file
diff --git a/source/main.c b/source/main.c
index bcf1e4f..de39be8 100644
--- a/source/main.c
+++ b/source/main.c
@@ -2,7 +2,7 @@
#include
int main(void) {
-
+ printf("This is Ch0_Lab4,my name is Andy\n");
system("pause");
return 0;
}
diff --git a/temp/debug/Ch0_Lab4.exe b/temp/debug/Ch0_Lab4.exe
new file mode 100644
index 0000000..0a87d98
Binary files /dev/null and b/temp/debug/Ch0_Lab4.exe differ
diff --git a/temp/debug/Ch0_Lab4.ilk b/temp/debug/Ch0_Lab4.ilk
new file mode 100644
index 0000000..3cccca4
Binary files /dev/null and b/temp/debug/Ch0_Lab4.ilk differ
diff --git a/temp/debug/Ch0_Lab4.log b/temp/debug/Ch0_Lab4.log
new file mode 100644
index 0000000..b559e0f
--- /dev/null
+++ b/temp/debug/Ch0_Lab4.log
@@ -0,0 +1,4 @@
+C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\MSBuild\Microsoft\VC\v160\Microsoft.CppBuild.targets(437,5): warning MSB8004: Intermediate Directory does not end with a trailing slash. This build instance will add the slash as it is required to allow proper evaluation of the Intermediate Directory.
+C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\MSBuild\Microsoft\VC\v160\Microsoft.CppBuild.targets(438,5): warning MSB8004: Output Directory does not end with a trailing slash. This build instance will add the slash as it is required to allow proper evaluation of the Output Directory.
+ main.c
+ Ch0_Lab4.vcxproj -> C:\c_code\106-Ch0-Lab4\Ch0_Lab4\Ch0_Lab4\..\..\temp\debug\Ch0_Lab4.exe
diff --git a/temp/debug/Ch0_Lab4.pdb b/temp/debug/Ch0_Lab4.pdb
new file mode 100644
index 0000000..a6e6fc1
Binary files /dev/null and b/temp/debug/Ch0_Lab4.pdb differ
diff --git a/temp/debug/Ch0_Lab4.tlog/CL.command.1.tlog b/temp/debug/Ch0_Lab4.tlog/CL.command.1.tlog
new file mode 100644
index 0000000..c3b86da
Binary files /dev/null and b/temp/debug/Ch0_Lab4.tlog/CL.command.1.tlog differ
diff --git a/temp/debug/Ch0_Lab4.tlog/CL.read.1.tlog b/temp/debug/Ch0_Lab4.tlog/CL.read.1.tlog
new file mode 100644
index 0000000..312ff2e
Binary files /dev/null and b/temp/debug/Ch0_Lab4.tlog/CL.read.1.tlog differ
diff --git a/temp/debug/Ch0_Lab4.tlog/CL.write.1.tlog b/temp/debug/Ch0_Lab4.tlog/CL.write.1.tlog
new file mode 100644
index 0000000..f5369e5
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diff --git a/temp/debug/Ch0_Lab4.tlog/Ch0_Lab4.lastbuildstate b/temp/debug/Ch0_Lab4.tlog/Ch0_Lab4.lastbuildstate
new file mode 100644
index 0000000..260d771
--- /dev/null
+++ b/temp/debug/Ch0_Lab4.tlog/Ch0_Lab4.lastbuildstate
@@ -0,0 +1,2 @@
+#TargetFrameworkVersion=v4.0:PlatformToolSet=v142:EnableManagedIncrementalBuild=false:VCToolArchitecture=Native32Bit:WindowsTargetPlatformVersion=10.0
+Debug|Win32|C:\c_code\106-Ch0-Lab4\Ch0_Lab4\|
diff --git a/temp/debug/Ch0_Lab4.tlog/link.command.1.tlog b/temp/debug/Ch0_Lab4.tlog/link.command.1.tlog
new file mode 100644
index 0000000..8d15326
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diff --git a/temp/debug/Ch0_Lab4.tlog/link.read.1.tlog b/temp/debug/Ch0_Lab4.tlog/link.read.1.tlog
new file mode 100644
index 0000000..4481690
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diff --git a/temp/debug/Ch0_Lab4.tlog/link.write.1.tlog b/temp/debug/Ch0_Lab4.tlog/link.write.1.tlog
new file mode 100644
index 0000000..63b6029
Binary files /dev/null and b/temp/debug/Ch0_Lab4.tlog/link.write.1.tlog differ
diff --git a/temp/debug/main.obj b/temp/debug/main.obj
new file mode 100644
index 0000000..8dd19f0
Binary files /dev/null and b/temp/debug/main.obj differ
diff --git a/temp/debug/vc142.idb b/temp/debug/vc142.idb
new file mode 100644
index 0000000..2ac3c7c
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diff --git a/temp/debug/vc142.pdb b/temp/debug/vc142.pdb
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