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Commit 0353801

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1 parent a9ee44b commit 0353801

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4 files changed

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4 files changed

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio Version 17
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VisualStudioVersion = 17.9.34723.18
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "C String Generator Using Pointers", "C String Generator Using Pointers.vcxproj", "{0AD4A05C-D1EC-4B9A-B225-D519177727EC}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|x64 = Debug|x64
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Debug|x86 = Debug|x86
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Release|x64 = Release|x64
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Release|x86 = Release|x86
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{0AD4A05C-D1EC-4B9A-B225-D519177727EC}.Debug|x64.ActiveCfg = Debug|x64
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{0AD4A05C-D1EC-4B9A-B225-D519177727EC}.Debug|x64.Build.0 = Debug|x64
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{0AD4A05C-D1EC-4B9A-B225-D519177727EC}.Debug|x86.ActiveCfg = Debug|Win32
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{0AD4A05C-D1EC-4B9A-B225-D519177727EC}.Debug|x86.Build.0 = Debug|Win32
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{0AD4A05C-D1EC-4B9A-B225-D519177727EC}.Release|x64.ActiveCfg = Release|x64
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{0AD4A05C-D1EC-4B9A-B225-D519177727EC}.Release|x64.Build.0 = Release|x64
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{0AD4A05C-D1EC-4B9A-B225-D519177727EC}.Release|x86.ActiveCfg = Release|Win32
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{0AD4A05C-D1EC-4B9A-B225-D519177727EC}.Release|x86.Build.0 = Release|Win32
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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EndGlobalSection
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GlobalSection(ExtensibilityGlobals) = postSolution
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SolutionGuid = {E38798E3-E9C0-4B75-84D6-EAC44F480940}
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EndGlobalSection
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EndGlobal
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<?xml version="1.0" encoding="utf-8"?>
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<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<ItemGroup Label="ProjectConfigurations">
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<ProjectConfiguration Include="Debug|Win32">
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<Configuration>Debug</Configuration>
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<Platform>Win32</Platform>
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</ProjectConfiguration>
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<ProjectConfiguration Include="Release|Win32">
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<Configuration>Release</Configuration>
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<Platform>Win32</Platform>
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</ProjectConfiguration>
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<ProjectConfiguration Include="Debug|x64">
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<Configuration>Debug</Configuration>
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<Platform>x64</Platform>
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</ProjectConfiguration>
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<ProjectConfiguration Include="Release|x64">
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<Configuration>Release</Configuration>
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<Platform>x64</Platform>
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</ProjectConfiguration>
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</ItemGroup>
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<PropertyGroup Label="Globals">
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<VCProjectVersion>17.0</VCProjectVersion>
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<Keyword>Win32Proj</Keyword>
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<ProjectGuid>{0ad4a05c-d1ec-4b9a-b225-d519177727ec}</ProjectGuid>
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<RootNamespace>CStringGeneratorUsingPointers</RootNamespace>
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<WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
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</PropertyGroup>
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<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseDebugLibraries>true</UseDebugLibraries>
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<PlatformToolset>v143</PlatformToolset>
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<CharacterSet>Unicode</CharacterSet>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseDebugLibraries>false</UseDebugLibraries>
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<PlatformToolset>v143</PlatformToolset>
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<WholeProgramOptimization>true</WholeProgramOptimization>
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<CharacterSet>Unicode</CharacterSet>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseDebugLibraries>true</UseDebugLibraries>
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<PlatformToolset>v143</PlatformToolset>
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<CharacterSet>Unicode</CharacterSet>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
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<ConfigurationType>Application</ConfigurationType>
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<UseDebugLibraries>false</UseDebugLibraries>
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<PlatformToolset>v143</PlatformToolset>
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<WholeProgramOptimization>true</WholeProgramOptimization>
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<CharacterSet>Unicode</CharacterSet>
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</PropertyGroup>
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<Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
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<ImportGroup Label="ExtensionSettings">
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</ImportGroup>
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<ImportGroup Label="Shared">
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</ImportGroup>
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<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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</ImportGroup>
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<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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</ImportGroup>
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<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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</ImportGroup>
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<ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
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<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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</ImportGroup>
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<PropertyGroup Label="UserMacros" />
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
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<ClCompile>
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<WarningLevel>Level3</WarningLevel>
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<SDLCheck>true</SDLCheck>
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<PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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<ConformanceMode>true</ConformanceMode>
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</ClCompile>
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<Link>
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<SubSystem>Console</SubSystem>
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<GenerateDebugInformation>true</GenerateDebugInformation>
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</Link>
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</ItemDefinitionGroup>
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
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<ClCompile>
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<WarningLevel>Level3</WarningLevel>
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<FunctionLevelLinking>true</FunctionLevelLinking>
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<IntrinsicFunctions>true</IntrinsicFunctions>
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<SDLCheck>true</SDLCheck>
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<PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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<ConformanceMode>true</ConformanceMode>
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</ClCompile>
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<Link>
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<SubSystem>Console</SubSystem>
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<EnableCOMDATFolding>true</EnableCOMDATFolding>
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<OptimizeReferences>true</OptimizeReferences>
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<GenerateDebugInformation>true</GenerateDebugInformation>
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</Link>
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</ItemDefinitionGroup>
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
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<ClCompile>
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<WarningLevel>Level3</WarningLevel>
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<SDLCheck>true</SDLCheck>
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<PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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<ConformanceMode>true</ConformanceMode>
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</ClCompile>
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<Link>
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<SubSystem>Console</SubSystem>
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<GenerateDebugInformation>true</GenerateDebugInformation>
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</Link>
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</ItemDefinitionGroup>
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<ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
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<ClCompile>
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<WarningLevel>Level3</WarningLevel>
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<FunctionLevelLinking>true</FunctionLevelLinking>
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<IntrinsicFunctions>true</IntrinsicFunctions>
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<SDLCheck>true</SDLCheck>
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<PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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<ConformanceMode>true</ConformanceMode>
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</ClCompile>
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<Link>
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<SubSystem>Console</SubSystem>
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<EnableCOMDATFolding>true</EnableCOMDATFolding>
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<OptimizeReferences>true</OptimizeReferences>
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<GenerateDebugInformation>true</GenerateDebugInformation>
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</Link>
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</ItemDefinitionGroup>
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<ItemGroup>
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<ClCompile Include="Source.c" />
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</ItemGroup>
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<Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
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<ImportGroup Label="ExtensionTargets">
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</ImportGroup>
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</Project>
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<?xml version="1.0" encoding="utf-8"?>
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<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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<ItemGroup>
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<Filter Include="Source Files">
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<UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
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<Extensions>cpp;c;cc;cxx;c++;cppm;ixx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
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</Filter>
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<Filter Include="Header Files">
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<UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
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<Extensions>h;hh;hpp;hxx;h++;hm;inl;inc;ipp;xsd</Extensions>
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</Filter>
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<Filter Include="Resource Files">
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<UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
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<Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
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</Filter>
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</ItemGroup>
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<ItemGroup>
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<ClCompile Include="Source.c">
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<Filter>Source Files</Filter>
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</ClCompile>
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</ItemGroup>
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</Project>

‎Source.c‎

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#define _CRT_SECURE_NO_WARNINGS /* disable security warnings in Microsoft Visual Studio*/
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#include <stdio.h>
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#include <stdlib.h>
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#define S1LENGTH 40
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#define S2LENGTHMIN 2
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#define S2LENGTHMAX 20
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char* generateS1(void);
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char* generateS2(void);
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int isUpperCaseLetter(int iochar);
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int main(void) {
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char* s1 = generateS1();
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return 0;
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}
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char* generateS1(void) {
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char s1[S1LENGTH + 1];
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int rand_num;
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char rand_char;
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for (int i = 0; i < S1LENGTH; ++i) {
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/* Generate random number between 1 and 26 */
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rand_num = rand() % 26;
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/* Shift the range to 65-90 and cast to char */
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rand_char = (char)(rand_num + 65);
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printf("Random uppercase letter: %c\n", rand_char);
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/* Store random letter in array of chars */
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s1[i] = rand_char;
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}
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/* Null-terminating string */
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s1[S1LENGTH] = '0円';
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return s1;
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}
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/* Returns nullptr upon receiving invalid input */
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char* generateS2(void) {
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/* Get the user string */
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printf("Enter a string of uppercase letters 'A' - 'Z'\n");
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printf("Must contain between %d and %d characters: ", S2LENGTHMIN, S2LENGTHMAX);
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int numCharacters = 0; /* Keep track of num characters */
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int invalidCharacterDetected = 0; /* Flag to keep track of valid characters */
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int hasExceededCharacterLimit = 0; /* Flag to keep track of string length */
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char currentCharacter; /* Keep track of current character being processed */
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/* Allocate enough memory to store array of chars */
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char* s2 = malloc((S2LENGTHMAX + 1) * sizeof(char));
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/* Process input while:
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/* 1. There are still characters in the input buffer,
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/* 2. We haven't encountered an invalid character, AND
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/* 3. The number of characters does not exceed the S2LENGTHMAX limit */
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while ((currentCharacter = getchar()) != EOF) {
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++numCharacters; /* Increment character count */
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/* If we've already encountered an invalid character, simply increment the character counter */
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if (!invalidCharacterDetected) {
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/* Now we check to see if we've exceeded the character limit */
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hasExceededCharacterLimit = (numCharacters > S2LENGTHMAX);
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if (!hasExceededCharacterLimit) {
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/* Finally, we check for invalid character */
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if (isUpperCaseLetter(currentCharacter)) {
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s2[numCharacters - 1] = currentCharacter;
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}
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else {
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invalidCharacterDetected = 1;
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}
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}
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}
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}
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/* Check if user input meets min string length requirement */
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int isLessThanRequiredLength = (numCharacters > S2LENGTHMIN);
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/* Print appropriate error messages */
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if (invalidCharacterDetected) {
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printf("Error: Invalid characters detected. Input must contain ONLY uppercase alphabetical characters\n");
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}
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if (hasExceededCharacterLimit || isLessThanRequiredLength) {
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printf("Error: Invalid string length. Input must be between %d and %d characters long\n", S2LENGTHMIN, S2LENGTHMAX);
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}
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/* If any of the error flags were raised we need to deallocate memory */
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if (invalidCharacterDetected || hasExceededCharacterLimit || isLessThanRequiredLength) {
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//for (char* entry : )
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}
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else {
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/* Add null terminating character to signal end of string */
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}
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}
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int isUpperCaseLetter(int iochar) {
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return (iochar >= 'A' && iochar <= 'Z');
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}

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