diff --git a/src/xenia/base/platform.h b/src/xenia/base/platform.h
index 04e678bd4..439d0c467 100644
--- a/src/xenia/base/platform.h
+++ b/src/xenia/base/platform.h
@@ -67,9 +67,6 @@
 #endif
 
 #if XE_PLATFORM_WIN32
-#define strdup _strdup
-#define strcasecmp _stricmp
-#define strncasecmp _strnicmp
 #define WIN32_LEAN_AND_MEAN
 #define NOMINMAX  // Don't want windows.h including min/max macros.
 #endif            // XE_PLATFORM_WIN32
diff --git a/src/xenia/base/string.cc b/src/xenia/base/string.cc
index 4fdeb3d0c..38b0ccf5e 100644
--- a/src/xenia/base/string.cc
+++ b/src/xenia/base/string.cc
@@ -9,9 +9,16 @@
 
 #include "xenia/base/string.h"
 
+#include <string.h>
 #include <algorithm>
 #include <locale>
 
+#include "xenia/base/platform.h"
+
+#if !XE_PLATFORM_WIN32
+#include <strings.h>
+#endif  // !XE_PLATFORM_WIN32
+
 #define UTF_CPP_CPLUSPLUS 201703L
 #include "third_party/utfcpp/source/utf8.h"
 
@@ -19,6 +26,30 @@ namespace utfcpp = utf8;
 
 namespace xe {
 
+int xe_strcasecmp(const char* string1, const char* string2) {
+#if XE_PLATFORM_WIN32
+  return _stricmp(string1, string2);
+#else
+  return strcasecmp(string1, string2);
+#endif  // XE_PLATFORM_WIN32
+}
+
+int xe_strncasecmp(const char* string1, const char* string2, size_t count) {
+#if XE_PLATFORM_WIN32
+  return _strnicmp(string1, string2, count);
+#else
+  return strncasecmp(string1, string2, count);
+#endif  // XE_PLATFORM_WIN32
+}
+
+char* xe_strdup(const char* source) {
+#if XE_PLATFORM_WIN32
+  return _strdup(source);
+#else
+  return strdup(source);
+#endif  // XE_PLATFORM_WIN32
+}
+
 std::string to_utf8(const std::u16string_view source) {
   return utfcpp::utf16to8(source);
 }
diff --git a/src/xenia/base/string.h b/src/xenia/base/string.h
index bed95dce0..b768d22e6 100644
--- a/src/xenia/base/string.h
+++ b/src/xenia/base/string.h
@@ -12,10 +12,14 @@
 
 #include <string>
 
-#include "utf8.h"
+#include "xenia/base/utf8.h"
 
 namespace xe {
 
+int xe_strcasecmp(const char* string1, const char* string2);
+int xe_strncasecmp(const char* string1, const char* string2, size_t count);
+char* xe_strdup(const char* source);
+
 std::string to_utf8(const std::u16string_view source);
 std::u16string to_utf16(const std::string_view source);
 
diff --git a/src/xenia/cpu/backend/x64/x64_assembler.cc b/src/xenia/cpu/backend/x64/x64_assembler.cc
index 4c50a5177..8643c4fb0 100644
--- a/src/xenia/cpu/backend/x64/x64_assembler.cc
+++ b/src/xenia/cpu/backend/x64/x64_assembler.cc
@@ -15,6 +15,7 @@
 #include "third_party/capstone/include/capstone/x86.h"
 #include "xenia/base/profiling.h"
 #include "xenia/base/reset_scope.h"
+#include "xenia/base/string.h"
 #include "xenia/cpu/backend/x64/x64_backend.h"
 #include "xenia/cpu/backend/x64/x64_code_cache.h"
 #include "xenia/cpu/backend/x64/x64_emitter.h"
@@ -86,7 +87,7 @@ bool X64Assembler::Assemble(GuestFunction* function, HIRBuilder* builder,
   if (debug_info_flags & DebugInfoFlags::kDebugInfoDisasmMachineCode) {
     DumpMachineCode(machine_code, code_size, function->source_map(),
                     &string_buffer_);
-    debug_info->set_machine_code_disasm(strdup(string_buffer_.buffer()));
+    debug_info->set_machine_code_disasm(xe_strdup(string_buffer_.buffer()));
     string_buffer_.Reset();
   }
 
diff --git a/src/xenia/cpu/backend/x64/x64_sequences.cc b/src/xenia/cpu/backend/x64/x64_sequences.cc
index 34cef4f7d..c7ef4361b 100644
--- a/src/xenia/cpu/backend/x64/x64_sequences.cc
+++ b/src/xenia/cpu/backend/x64/x64_sequences.cc
@@ -25,12 +25,12 @@
 #include "xenia/cpu/backend/x64/x64_sequences.h"
 
 #include <algorithm>
-#include <cstring>
 #include <unordered_map>
 
 #include "xenia/base/assert.h"
 #include "xenia/base/clock.h"
 #include "xenia/base/logging.h"
+#include "xenia/base/string.h"
 #include "xenia/base/threading.h"
 #include "xenia/cpu/backend/x64/x64_emitter.h"
 #include "xenia/cpu/backend/x64/x64_op.h"
@@ -63,7 +63,7 @@ struct COMMENT : Sequence<COMMENT, I<OPCODE_COMMENT, VoidOp, OffsetOp>> {
       auto str = reinterpret_cast<const char*>(i.src1.value);
       // TODO(benvanik): pass through.
       // TODO(benvanik): don't just leak this memory.
-      auto str_copy = strdup(str);
+      auto str_copy = xe_strdup(str);
       e.mov(e.rdx, reinterpret_cast<uint64_t>(str_copy));
       e.CallNative(reinterpret_cast<void*>(TraceString));
     }
diff --git a/src/xenia/cpu/ppc/ppc_hir_builder.cc b/src/xenia/cpu/ppc/ppc_hir_builder.cc
index 460da0894..4aedfdd26 100644
--- a/src/xenia/cpu/ppc/ppc_hir_builder.cc
+++ b/src/xenia/cpu/ppc/ppc_hir_builder.cc
@@ -19,6 +19,7 @@
 #include "xenia/base/logging.h"
 #include "xenia/base/memory.h"
 #include "xenia/base/profiling.h"
+#include "xenia/base/string.h"
 #include "xenia/cpu/cpu_flags.h"
 #include "xenia/cpu/hir/label.h"
 #include "xenia/cpu/ppc/ppc_context.h"
@@ -215,25 +216,25 @@ void PPCHIRBuilder::MaybeBreakOnInstruction(uint32_t address) {
 
   auto op = cvars::break_condition_op.c_str();
   // TODO(rick): table?
-  if (strcasecmp(op, "eq") == 0) {
+  if (xe_strcasecmp(op, "eq") == 0) {
     TrapTrue(CompareEQ(left, right));
-  } else if (strcasecmp(op, "ne") == 0) {
+  } else if (xe_strcasecmp(op, "ne") == 0) {
     TrapTrue(CompareNE(left, right));
-  } else if (strcasecmp(op, "slt") == 0) {
+  } else if (xe_strcasecmp(op, "slt") == 0) {
     TrapTrue(CompareSLT(left, right));
-  } else if (strcasecmp(op, "sle") == 0) {
+  } else if (xe_strcasecmp(op, "sle") == 0) {
     TrapTrue(CompareSLE(left, right));
-  } else if (strcasecmp(op, "sgt") == 0) {
+  } else if (xe_strcasecmp(op, "sgt") == 0) {
     TrapTrue(CompareSGT(left, right));
-  } else if (strcasecmp(op, "sge") == 0) {
+  } else if (xe_strcasecmp(op, "sge") == 0) {
     TrapTrue(CompareSGE(left, right));
-  } else if (strcasecmp(op, "ult") == 0) {
+  } else if (xe_strcasecmp(op, "ult") == 0) {
     TrapTrue(CompareULT(left, right));
-  } else if (strcasecmp(op, "ule") == 0) {
+  } else if (xe_strcasecmp(op, "ule") == 0) {
     TrapTrue(CompareULE(left, right));
-  } else if (strcasecmp(op, "ugt") == 0) {
+  } else if (xe_strcasecmp(op, "ugt") == 0) {
     TrapTrue(CompareUGT(left, right));
-  } else if (strcasecmp(op, "uge") == 0) {
+  } else if (xe_strcasecmp(op, "uge") == 0) {
     TrapTrue(CompareUGE(left, right));
   } else {
     assert_always();
diff --git a/src/xenia/cpu/ppc/ppc_translator.cc b/src/xenia/cpu/ppc/ppc_translator.cc
index 708a4b608..99c258a32 100644
--- a/src/xenia/cpu/ppc/ppc_translator.cc
+++ b/src/xenia/cpu/ppc/ppc_translator.cc
@@ -14,6 +14,7 @@
 #include "xenia/base/memory.h"
 #include "xenia/base/profiling.h"
 #include "xenia/base/reset_scope.h"
+#include "xenia/base/string.h"
 #include "xenia/cpu/compiler/compiler_passes.h"
 #include "xenia/cpu/cpu_flags.h"
 #include "xenia/cpu/ppc/ppc_frontend.h"
@@ -155,7 +156,7 @@ bool PPCTranslator::Translate(GuestFunction* function,
   // Stash source.
   if (debug_info_flags & DebugInfoFlags::kDebugInfoDisasmSource) {
     DumpSource(function, &string_buffer_);
-    debug_info->set_source_disasm(strdup(string_buffer_.buffer()));
+    debug_info->set_source_disasm(xe_strdup(string_buffer_.buffer()));
     string_buffer_.Reset();
   }
 
@@ -171,7 +172,7 @@ bool PPCTranslator::Translate(GuestFunction* function,
   // Stash raw HIR.
   if (debug_info_flags & DebugInfoFlags::kDebugInfoDisasmRawHir) {
     builder_->Dump(&string_buffer_);
-    debug_info->set_raw_hir_disasm(strdup(string_buffer_.buffer()));
+    debug_info->set_raw_hir_disasm(xe_strdup(string_buffer_.buffer()));
     string_buffer_.Reset();
   }
 
@@ -183,7 +184,7 @@ bool PPCTranslator::Translate(GuestFunction* function,
   // Stash optimized HIR.
   if (debug_info_flags & DebugInfoFlags::kDebugInfoDisasmHir) {
     builder_->Dump(&string_buffer_);
-    debug_info->set_hir_disasm(strdup(string_buffer_.buffer()));
+    debug_info->set_hir_disasm(xe_strdup(string_buffer_.buffer()));
     string_buffer_.Reset();
   }
 
diff --git a/src/xenia/kernel/xboxkrnl/xboxkrnl_rtl.cc b/src/xenia/kernel/xboxkrnl/xboxkrnl_rtl.cc
index db8421a64..db7f72ea4 100644
--- a/src/xenia/kernel/xboxkrnl/xboxkrnl_rtl.cc
+++ b/src/xenia/kernel/xboxkrnl/xboxkrnl_rtl.cc
@@ -107,7 +107,7 @@ DECLARE_XBOXKRNL_EXPORT1(RtlLowerChar, kNone, kImplemented);
 
 dword_result_t RtlCompareString_entry(lpstring_t string_1, lpstring_t string_2,
                                       dword_t case_insensitive) {
-  int ret = case_insensitive ? strcasecmp(string_1, string_2)
+  int ret = case_insensitive ? xe_strcasecmp(string_1, string_2)
                              : std::strcmp(string_1, string_2);
 
   return ret;
@@ -130,7 +130,7 @@ dword_result_t RtlCompareStringN_entry(lpstring_t string_1,
   }
   auto len = std::min(string_1_len, string_2_len);
 
-  int ret = case_insensitive ? strncasecmp(string_1, string_2, len)
+  int ret = case_insensitive ? xe_strncasecmp(string_1, string_2, len)
                              : std::strncmp(string_1, string_2, len);
 
   return ret;
diff --git a/src/xenia/vfs/devices/null_device.cc b/src/xenia/vfs/devices/null_device.cc
index e7b014d7b..ef34fd833 100644
--- a/src/xenia/vfs/devices/null_device.cc
+++ b/src/xenia/vfs/devices/null_device.cc
@@ -12,6 +12,7 @@
 #include "xenia/base/filesystem.h"
 #include "xenia/base/logging.h"
 #include "xenia/base/math.h"
+#include "xenia/base/string.h"
 #include "xenia/kernel/xfile.h"
 #include "xenia/vfs/devices/null_entry.h"
 
@@ -50,7 +51,7 @@ Entry* NullDevice::ResolvePath(const std::string_view path) {
   }
 
   for (auto& child : root->children()) {
-    if (!strcasecmp(child->path().c_str(), path.data())) {
+    if (!xe_strcasecmp(child->path().c_str(), path.data())) {
       return child.get();
     }
   }