diff --git a/libc/.clang-tidy b/libc/.clang-tidy
index 5adada9a3f59a8..dbde88928ee636 100644
--- a/libc/.clang-tidy
+++ b/libc/.clang-tidy
@@ -26,5 +26,7 @@ CheckOptions:
     value:           UPPER_CASE
   - key:             readability-identifier-naming.ConstexprVariableCase
     value:           UPPER_CASE
+  - key:             readability-identifier-naming.ConstexprFunctionCase
+    value:           lower_case
   - key:             readability-identifier-naming.GetConfigPerFile
     value:           true
diff --git a/libc/src/__support/FPUtil/FPBits.h b/libc/src/__support/FPUtil/FPBits.h
index b3179a24c74749..fb5ff6a4153c90 100644
--- a/libc/src/__support/FPUtil/FPBits.h
+++ b/libc/src/__support/FPUtil/FPBits.h
@@ -239,23 +239,23 @@ template <FPType fp_type> struct FPStorage : public FPLayout<fp_type> {
 
   // An opaque type to store a floating point exponent.
   // We define special values but it is valid to create arbitrary values as long
-  // as they are in the range [MIN, MAX].
+  // as they are in the range [min, max].
   struct Exponent : public TypedInt<int32_t> {
     using UP = TypedInt<int32_t>;
     using UP::UP;
-    LIBC_INLINE static constexpr auto SUBNORMAL() {
+    LIBC_INLINE static constexpr auto subnormal() {
       return Exponent(-EXP_BIAS);
     }
-    LIBC_INLINE static constexpr auto MIN() { return Exponent(1 - EXP_BIAS); }
-    LIBC_INLINE static constexpr auto ZERO() { return Exponent(0); }
-    LIBC_INLINE static constexpr auto MAX() { return Exponent(EXP_BIAS); }
-    LIBC_INLINE static constexpr auto INF() { return Exponent(EXP_BIAS + 1); }
+    LIBC_INLINE static constexpr auto min() { return Exponent(1 - EXP_BIAS); }
+    LIBC_INLINE static constexpr auto zero() { return Exponent(0); }
+    LIBC_INLINE static constexpr auto max() { return Exponent(EXP_BIAS); }
+    LIBC_INLINE static constexpr auto inf() { return Exponent(EXP_BIAS + 1); }
   };
 
   // An opaque type to store a floating point biased exponent.
   // We define special values but it is valid to create arbitrary values as long
-  // as they are in the range [BITS_ALL_ZEROES, BITS_ALL_ONES].
-  // Values greater than BITS_ALL_ONES are truncated.
+  // as they are in the range [zero, bits_all_ones].
+  // Values greater than bits_all_ones are truncated.
   struct BiasedExponent : public TypedInt<uint32_t> {
     using UP = TypedInt<uint32_t>;
     using UP::UP;
@@ -269,13 +269,13 @@ template <FPType fp_type> struct FPStorage : public FPLayout<fp_type> {
     }
 
     LIBC_INLINE constexpr BiasedExponent &operator++() {
-      LIBC_ASSERT(*this != BiasedExponent(Exponent::INF()));
+      LIBC_ASSERT(*this != BiasedExponent(Exponent::inf()));
       ++UP::value;
       return *this;
     }
 
     LIBC_INLINE constexpr BiasedExponent &operator--() {
-      LIBC_ASSERT(*this != BiasedExponent(Exponent::SUBNORMAL()));
+      LIBC_ASSERT(*this != BiasedExponent(Exponent::subnormal()));
       --UP::value;
       return *this;
     }
@@ -283,9 +283,9 @@ template <FPType fp_type> struct FPStorage : public FPLayout<fp_type> {
 
   // An opaque type to store a floating point significand.
   // We define special values but it is valid to create arbitrary values as long
-  // as they are in the range [ZERO, BITS_ALL_ONES].
+  // as they are in the range [zero, bits_all_ones].
   // Note that the semantics of the Significand are implementation dependent.
-  // Values greater than BITS_ALL_ONES are truncated.
+  // Values greater than bits_all_ones are truncated.
   struct Significand : public TypedInt<StorageType> {
     using UP = TypedInt<StorageType>;
     using UP::UP;
@@ -305,16 +305,16 @@ template <FPType fp_type> struct FPStorage : public FPLayout<fp_type> {
       return Significand(StorageType(a.to_storage_type() >> shift));
     }
 
-    LIBC_INLINE static constexpr auto ZERO() {
+    LIBC_INLINE static constexpr auto zero() {
       return Significand(StorageType(0));
     }
-    LIBC_INLINE static constexpr auto LSB() {
+    LIBC_INLINE static constexpr auto lsb() {
       return Significand(StorageType(1));
     }
-    LIBC_INLINE static constexpr auto MSB() {
+    LIBC_INLINE static constexpr auto msb() {
       return Significand(StorageType(1) << (SIG_LEN - 1));
     }
-    LIBC_INLINE static constexpr auto BITS_ALL_ONES() {
+    LIBC_INLINE static constexpr auto bits_all_ones() {
       return Significand(SIG_MASK);
     }
   };
@@ -393,58 +393,58 @@ struct FPRepSem : public FPStorage<fp_type> {
 public:
   // Builders
   LIBC_INLINE static constexpr RetT zero(Sign sign = Sign::POS) {
-    return RetT(encode(sign, Exponent::SUBNORMAL(), Significand::ZERO()));
+    return RetT(encode(sign, Exponent::subnormal(), Significand::zero()));
   }
   LIBC_INLINE static constexpr RetT one(Sign sign = Sign::POS) {
-    return RetT(encode(sign, Exponent::ZERO(), Significand::ZERO()));
+    return RetT(encode(sign, Exponent::zero(), Significand::zero()));
   }
   LIBC_INLINE static constexpr RetT min_subnormal(Sign sign = Sign::POS) {
-    return RetT(encode(sign, Exponent::SUBNORMAL(), Significand::LSB()));
+    return RetT(encode(sign, Exponent::subnormal(), Significand::lsb()));
   }
   LIBC_INLINE static constexpr RetT max_subnormal(Sign sign = Sign::POS) {
     return RetT(
-        encode(sign, Exponent::SUBNORMAL(), Significand::BITS_ALL_ONES()));
+        encode(sign, Exponent::subnormal(), Significand::bits_all_ones()));
   }
   LIBC_INLINE static constexpr RetT min_normal(Sign sign = Sign::POS) {
-    return RetT(encode(sign, Exponent::MIN(), Significand::ZERO()));
+    return RetT(encode(sign, Exponent::min(), Significand::zero()));
   }
   LIBC_INLINE static constexpr RetT max_normal(Sign sign = Sign::POS) {
-    return RetT(encode(sign, Exponent::MAX(), Significand::BITS_ALL_ONES()));
+    return RetT(encode(sign, Exponent::max(), Significand::bits_all_ones()));
   }
   LIBC_INLINE static constexpr RetT inf(Sign sign = Sign::POS) {
-    return RetT(encode(sign, Exponent::INF(), Significand::ZERO()));
+    return RetT(encode(sign, Exponent::inf(), Significand::zero()));
   }
   LIBC_INLINE static constexpr RetT signaling_nan(Sign sign = Sign::POS,
                                                   StorageType v = 0) {
-    return RetT(encode(sign, Exponent::INF(),
-                       (v ? Significand(v) : (Significand::MSB() >> 1))));
+    return RetT(encode(sign, Exponent::inf(),
+                       (v ? Significand(v) : (Significand::msb() >> 1))));
   }
   LIBC_INLINE static constexpr RetT quiet_nan(Sign sign = Sign::POS,
                                               StorageType v = 0) {
     return RetT(
-        encode(sign, Exponent::INF(), Significand::MSB() | Significand(v)));
+        encode(sign, Exponent::inf(), Significand::msb() | Significand(v)));
   }
 
   // Observers
   LIBC_INLINE constexpr bool is_zero() const { return exp_sig_bits() == 0; }
   LIBC_INLINE constexpr bool is_nan() const {
-    return exp_sig_bits() > encode(Exponent::INF(), Significand::ZERO());
+    return exp_sig_bits() > encode(Exponent::inf(), Significand::zero());
   }
   LIBC_INLINE constexpr bool is_quiet_nan() const {
-    return exp_sig_bits() >= encode(Exponent::INF(), Significand::MSB());
+    return exp_sig_bits() >= encode(Exponent::inf(), Significand::msb());
   }
   LIBC_INLINE constexpr bool is_signaling_nan() const {
     return is_nan() && !is_quiet_nan();
   }
   LIBC_INLINE constexpr bool is_inf() const {
-    return exp_sig_bits() == encode(Exponent::INF(), Significand::ZERO());
+    return exp_sig_bits() == encode(Exponent::inf(), Significand::zero());
   }
   LIBC_INLINE constexpr bool is_finite() const {
-    return exp_bits() != encode(Exponent::INF());
+    return exp_bits() != encode(Exponent::inf());
   }
   LIBC_INLINE
   constexpr bool is_subnormal() const {
-    return exp_bits() == encode(Exponent::SUBNORMAL());
+    return exp_bits() == encode(Exponent::subnormal());
   }
   LIBC_INLINE constexpr bool is_normal() const {
     return is_finite() && !is_subnormal();
@@ -493,37 +493,37 @@ struct FPRepSem<FPType::X86_Binary80, RetT>
 public:
   // Builders
   LIBC_INLINE static constexpr RetT zero(Sign sign = Sign::POS) {
-    return RetT(encode(sign, Exponent::SUBNORMAL(), Significand::ZERO()));
+    return RetT(encode(sign, Exponent::subnormal(), Significand::zero()));
   }
   LIBC_INLINE static constexpr RetT one(Sign sign = Sign::POS) {
-    return RetT(encode(sign, Exponent::ZERO(), Significand::MSB()));
+    return RetT(encode(sign, Exponent::zero(), Significand::msb()));
   }
   LIBC_INLINE static constexpr RetT min_subnormal(Sign sign = Sign::POS) {
-    return RetT(encode(sign, Exponent::SUBNORMAL(), Significand::LSB()));
+    return RetT(encode(sign, Exponent::subnormal(), Significand::lsb()));
   }
   LIBC_INLINE static constexpr RetT max_subnormal(Sign sign = Sign::POS) {
-    return RetT(encode(sign, Exponent::SUBNORMAL(),
-                       Significand::BITS_ALL_ONES() ^ Significand::MSB()));
+    return RetT(encode(sign, Exponent::subnormal(),
+                       Significand::bits_all_ones() ^ Significand::msb()));
   }
   LIBC_INLINE static constexpr RetT min_normal(Sign sign = Sign::POS) {
-    return RetT(encode(sign, Exponent::MIN(), Significand::MSB()));
+    return RetT(encode(sign, Exponent::min(), Significand::msb()));
   }
   LIBC_INLINE static constexpr RetT max_normal(Sign sign = Sign::POS) {
-    return RetT(encode(sign, Exponent::MAX(), Significand::BITS_ALL_ONES()));
+    return RetT(encode(sign, Exponent::max(), Significand::bits_all_ones()));
   }
   LIBC_INLINE static constexpr RetT inf(Sign sign = Sign::POS) {
-    return RetT(encode(sign, Exponent::INF(), Significand::MSB()));
+    return RetT(encode(sign, Exponent::inf(), Significand::msb()));
   }
   LIBC_INLINE static constexpr RetT signaling_nan(Sign sign = Sign::POS,
                                                   StorageType v = 0) {
-    return RetT(encode(sign, Exponent::INF(),
-                       Significand::MSB() |
-                           (v ? Significand(v) : (Significand::MSB() >> 2))));
+    return RetT(encode(sign, Exponent::inf(),
+                       Significand::msb() |
+                           (v ? Significand(v) : (Significand::msb() >> 2))));
   }
   LIBC_INLINE static constexpr RetT quiet_nan(Sign sign = Sign::POS,
                                               StorageType v = 0) {
-    return RetT(encode(sign, Exponent::INF(),
-                       Significand::MSB() | (Significand::MSB() >> 1) |
+    return RetT(encode(sign, Exponent::inf(),
+                       Significand::msb() | (Significand::msb() >> 1) |
                            Significand(v)));
   }
 
@@ -541,33 +541,33 @@ struct FPRepSem<FPType::X86_Binary80, RetT>
     // - Quiet Not a Number
     // - Unnormal
     // This can be reduced to the following logic:
-    if (exp_bits() == encode(Exponent::INF()))
+    if (exp_bits() == encode(Exponent::inf()))
       return !is_inf();
-    if (exp_bits() != encode(Exponent::SUBNORMAL()))
-      return (sig_bits() & encode(Significand::MSB())) == 0;
+    if (exp_bits() != encode(Exponent::subnormal()))
+      return (sig_bits() & encode(Significand::msb())) == 0;
     return false;
   }
   LIBC_INLINE constexpr bool is_quiet_nan() const {
     return exp_sig_bits() >=
-           encode(Exponent::INF(),
-                  Significand::MSB() | (Significand::MSB() >> 1));
+           encode(Exponent::inf(),
+                  Significand::msb() | (Significand::msb() >> 1));
   }
   LIBC_INLINE constexpr bool is_signaling_nan() const {
     return is_nan() && !is_quiet_nan();
   }
   LIBC_INLINE constexpr bool is_inf() const {
-    return exp_sig_bits() == encode(Exponent::INF(), Significand::MSB());
+    return exp_sig_bits() == encode(Exponent::inf(), Significand::msb());
   }
   LIBC_INLINE constexpr bool is_finite() const {
     return !is_inf() && !is_nan();
   }
   LIBC_INLINE
   constexpr bool is_subnormal() const {
-    return exp_bits() == encode(Exponent::SUBNORMAL());
+    return exp_bits() == encode(Exponent::subnormal());
   }
   LIBC_INLINE constexpr bool is_normal() const {
     const auto exp = exp_bits();
-    if (exp == encode(Exponent::SUBNORMAL()) || exp == encode(Exponent::INF()))
+    if (exp == encode(Exponent::subnormal()) || exp == encode(Exponent::inf()))
       return false;
     return get_implicit_bit();
   }
@@ -578,7 +578,7 @@ struct FPRepSem<FPType::X86_Binary80, RetT>
       } else if (exp_sig_bits() == max_subnormal().uintval()) {
         return min_normal(sign());
       } else if (sig_bits() == SIG_MASK) {
-        return RetT(encode(sign(), ++biased_exponent(), Significand::ZERO()));
+        return RetT(encode(sign(), ++biased_exponent(), Significand::zero()));
       } else {
         return RetT(bits + StorageType(1));
       }
@@ -715,9 +715,9 @@ struct FPRepImpl : public FPRepSem<fp_type, RetT> {
   LIBC_INLINE constexpr int get_explicit_exponent() const {
     Exponent exponent(UP::biased_exponent());
     if (is_zero())
-      exponent = Exponent::ZERO();
-    if (exponent == Exponent::SUBNORMAL())
-      exponent = Exponent::MIN();
+      exponent = Exponent::zero();
+    if (exponent == Exponent::subnormal())
+      exponent = Exponent::min();
     return static_cast<int32_t>(exponent);
   }
 
diff --git a/libc/src/string/memory_utils/aarch64/inline_bcmp.h b/libc/src/string/memory_utils/aarch64/inline_bcmp.h
index 8e0827f1361fe4..b80b5781876343 100644
--- a/libc/src/string/memory_utils/aarch64/inline_bcmp.h
+++ b/libc/src/string/memory_utils/aarch64/inline_bcmp.h
@@ -27,7 +27,7 @@ namespace LIBC_NAMESPACE {
     }
     switch (count) {
     case 0:
-      return BcmpReturnType::ZERO();
+      return BcmpReturnType::zero();
     case 1:
       return generic::Bcmp<uint8_t>::block(p1, p2);
     case 2:
diff --git a/libc/src/string/memory_utils/aarch64/inline_memcmp.h b/libc/src/string/memory_utils/aarch64/inline_memcmp.h
index 839c8ec13854f2..d0e0bd7cf025f9 100644
--- a/libc/src/string/memory_utils/aarch64/inline_memcmp.h
+++ b/libc/src/string/memory_utils/aarch64/inline_memcmp.h
@@ -50,7 +50,7 @@ inline_memcmp_aarch64_neon_gt16(CPtr p1, CPtr p2, size_t count) {
 LIBC_INLINE MemcmpReturnType inline_memcmp_aarch64(CPtr p1, CPtr p2,
                                                    size_t count) {
   if (count == 0)
-    return MemcmpReturnType::ZERO();
+    return MemcmpReturnType::zero();
   if (count == 1)
     return generic::Memcmp<uint8_t>::block(p1, p2);
   if (count == 2)
diff --git a/libc/src/string/memory_utils/generic/aligned_access.h b/libc/src/string/memory_utils/generic/aligned_access.h
index 65bc63f6cbe557..b6ece816756c55 100644
--- a/libc/src/string/memory_utils/generic/aligned_access.h
+++ b/libc/src/string/memory_utils/generic/aligned_access.h
@@ -135,7 +135,7 @@ inline_bcmp_aligned_access_32bit(CPtr p1, CPtr p2, size_t count) {
     uint32_t a = load32_aligned<uint32_t>(p1, offset);
     uint32_t b = load32_aligned(p2, offset, p2_alignment);
     if (a != b)
-      return BcmpReturnType::NONZERO();
+      return BcmpReturnType::nonzero();
   }
   return inline_bcmp_byte_per_byte(p1, p2, count, offset);
 }
@@ -154,7 +154,7 @@ inline_bcmp_aligned_access_64bit(CPtr p1, CPtr p2, size_t count) {
     uint64_t a = load64_aligned<uint64_t>(p1, offset);
     uint64_t b = load64_aligned(p2, offset, p2_alignment);
     if (a != b)
-      return BcmpReturnType::NONZERO();
+      return BcmpReturnType::nonzero();
   }
   return inline_bcmp_byte_per_byte(p1, p2, count, offset);
 }
diff --git a/libc/src/string/memory_utils/generic/byte_per_byte.h b/libc/src/string/memory_utils/generic/byte_per_byte.h
index a666c5da313604..948da8ab2a8702 100644
--- a/libc/src/string/memory_utils/generic/byte_per_byte.h
+++ b/libc/src/string/memory_utils/generic/byte_per_byte.h
@@ -56,8 +56,8 @@ inline_bcmp_byte_per_byte(CPtr p1, CPtr p2, size_t count, size_t offset = 0) {
   LIBC_LOOP_NOUNROLL
   for (; offset < count; ++offset)
     if (p1[offset] != p2[offset])
-      return BcmpReturnType::NONZERO();
-  return BcmpReturnType::ZERO();
+      return BcmpReturnType::zero();
+  return BcmpReturnType::zero();
 }
 
 [[maybe_unused]] LIBC_INLINE MemcmpReturnType
@@ -70,7 +70,7 @@ inline_memcmp_byte_per_byte(CPtr p1, CPtr p2, size_t count, size_t offset = 0) {
     if (diff)
       return diff;
   }
-  return MemcmpReturnType::ZERO();
+  return MemcmpReturnType::zero();
 }
 
 } // namespace LIBC_NAMESPACE
diff --git a/libc/src/string/memory_utils/op_aarch64.h b/libc/src/string/memory_utils/op_aarch64.h
index 3aae328945dd2c..6a2013b2a8faeb 100644
--- a/libc/src/string/memory_utils/op_aarch64.h
+++ b/libc/src/string/memory_utils/op_aarch64.h
@@ -108,7 +108,7 @@ template <size_t Size> struct Bcmp {
     } else {
       static_assert(cpp::always_false<decltype(Size)>, "SIZE not implemented");
     }
-    return BcmpReturnType::ZERO();
+    return BcmpReturnType::zero();
   }
 
   LIBC_INLINE static BcmpReturnType tail(CPtr p1, CPtr p2, size_t count) {
@@ -154,7 +154,7 @@ template <size_t Size> struct Bcmp {
     } else {
       static_assert(cpp::always_false<decltype(Size)>, "SIZE not implemented");
     }
-    return BcmpReturnType::ZERO();
+    return BcmpReturnType::zero();
   }
 
   LIBC_INLINE static BcmpReturnType loop_and_tail(CPtr p1, CPtr p2,
@@ -217,7 +217,7 @@ LIBC_INLINE MemcmpReturnType cmp<uint64_t>(CPtr p1, CPtr p2, size_t offset) {
   const auto b = load_be<uint64_t>(p2, offset);
   if (a != b)
     return a > b ? 1 : -1;
-  return MemcmpReturnType::ZERO();
+  return MemcmpReturnType::zero();
 }
 
 ///////////////////////////////////////////////////////////////////////////////
@@ -245,7 +245,7 @@ LIBC_INLINE MemcmpReturnType cmp<uint8x16_t>(CPtr p1, CPtr p2, size_t offset) {
       return cmp_neq_uint64_t(a, b);
     offset += sizeof(uint64_t);
   }
-  return MemcmpReturnType::ZERO();
+  return MemcmpReturnType::zero();
 }
 
 ///////////////////////////////////////////////////////////////////////////////
@@ -262,7 +262,7 @@ LIBC_INLINE MemcmpReturnType cmp<uint8x16x2_t>(CPtr p1, CPtr p2,
       return cmp_neq_uint64_t(a, b);
     offset += sizeof(uint64_t);
   }
-  return MemcmpReturnType::ZERO();
+  return MemcmpReturnType::zero();
 }
 } // namespace LIBC_NAMESPACE::generic
 
diff --git a/libc/src/string/memory_utils/op_builtin.h b/libc/src/string/memory_utils/op_builtin.h
index 3c17eef781e576..75dd4de53a4700 100644
--- a/libc/src/string/memory_utils/op_builtin.h
+++ b/libc/src/string/memory_utils/op_builtin.h
@@ -105,22 +105,22 @@ template <size_t Size> struct Bcmp {
   LIBC_INLINE static BcmpReturnType block(CPtr, CPtr) {
     static_assert(cpp::always_false<decltype(Size)>,
                   "Missing __builtin_memcmp_inline");
-    return BcmpReturnType::ZERO();
+    return BcmpReturnType::zero();
   }
 
   LIBC_INLINE static BcmpReturnType tail(CPtr, CPtr, size_t) {
     static_assert(cpp::always_false<decltype(Size)>, "Not implemented");
-    return BcmpReturnType::ZERO();
+    return BcmpReturnType::zero();
   }
 
   LIBC_INLINE static BcmpReturnType head_tail(CPtr, CPtr, size_t) {
     static_assert(cpp::always_false<decltype(Size)>, "Not implemented");
-    return BcmpReturnType::ZERO();
+    return BcmpReturnType::zero();
   }
 
   LIBC_INLINE static BcmpReturnType loop_and_tail(CPtr, CPtr, size_t) {
     static_assert(cpp::always_false<decltype(Size)>, "Not implemented");
-    return BcmpReturnType::ZERO();
+    return BcmpReturnType::zero();
   }
 };
 
@@ -132,22 +132,22 @@ template <size_t Size> struct Memcmp {
   LIBC_INLINE static MemcmpReturnType block(CPtr, CPtr) {
     static_assert(cpp::always_false<decltype(Size)>,
                   "Missing __builtin_memcmp_inline");
-    return MemcmpReturnType::ZERO();
+    return MemcmpReturnType::zero();
   }
 
   LIBC_INLINE static MemcmpReturnType tail(CPtr, CPtr, size_t) {
     static_assert(cpp::always_false<decltype(Size)>, "Not implemented");
-    return MemcmpReturnType::ZERO();
+    return MemcmpReturnType::zero();
   }
 
   LIBC_INLINE static MemcmpReturnType head_tail(CPtr, CPtr, size_t) {
     static_assert(cpp::always_false<decltype(Size)>, "Not implemented");
-    return MemcmpReturnType::ZERO();
+    return MemcmpReturnType::zero();
   }
 
   LIBC_INLINE static MemcmpReturnType loop_and_tail(CPtr, CPtr, size_t) {
     static_assert(cpp::always_false<decltype(Size)>, "Not implemented");
-    return MemcmpReturnType::ZERO();
+    return MemcmpReturnType::zero();
   }
 };
 
diff --git a/libc/src/string/memory_utils/op_generic.h b/libc/src/string/memory_utils/op_generic.h
index db218f8577ab58..c7dbd5dd1d6cce 100644
--- a/libc/src/string/memory_utils/op_generic.h
+++ b/libc/src/string/memory_utils/op_generic.h
@@ -390,7 +390,7 @@ template <typename T> struct Memcmp {
     if constexpr (cmp_is_expensive<T>::value) {
       if (!eq<T>(p1, p2, offset))
         return cmp_neq<T>(p1, p2, offset);
-      return MemcmpReturnType::ZERO();
+      return MemcmpReturnType::zero();
     } else {
       return cmp<T>(p1, p2, offset);
     }
@@ -443,7 +443,7 @@ template <typename T> struct Memcmp {
       for (; offset < count; offset += SIZE)
         if (auto value = cmp<T>(p1, p2, offset))
           return value;
-      return MemcmpReturnType::ZERO();
+      return MemcmpReturnType::zero();
     }
   }
 
@@ -475,7 +475,7 @@ template <typename T, typename... TS> struct MemcmpSequence {
     if constexpr (sizeof...(TS) > 0)
       return MemcmpSequence<TS...>::block(p1 + sizeof(T), p2 + sizeof(T));
     else
-      return MemcmpReturnType::ZERO();
+      return MemcmpReturnType::zero();
   }
 };
 
@@ -521,7 +521,7 @@ template <typename T> struct Bcmp {
       for (; offset < count; offset += SIZE)
         if (const auto value = neq<T>(p1, p2, offset))
           return value;
-      return BcmpReturnType::ZERO();
+      return BcmpReturnType::zero();
     }
   }
 
@@ -547,7 +547,7 @@ template <typename T, typename... TS> struct BcmpSequence {
     if constexpr (sizeof...(TS) > 0)
       return BcmpSequence<TS...>::block(p1 + sizeof(T), p2 + sizeof(T));
     else
-      return BcmpReturnType::ZERO();
+      return BcmpReturnType::zero();
   }
 };
 
diff --git a/libc/src/string/memory_utils/utils.h b/libc/src/string/memory_utils/utils.h
index 543d45b7c4e33e..701a84375ea8e7 100644
--- a/libc/src/string/memory_utils/utils.h
+++ b/libc/src/string/memory_utils/utils.h
@@ -130,8 +130,8 @@ template <typename T> struct StrictIntegralType {
   }
 
   // Helper to get the zero value.
-  LIBC_INLINE static constexpr StrictIntegralType ZERO() { return {T(0)}; }
-  LIBC_INLINE static constexpr StrictIntegralType NONZERO() { return {T(1)}; }
+  LIBC_INLINE static constexpr StrictIntegralType zero() { return {T(0)}; }
+  LIBC_INLINE static constexpr StrictIntegralType nonzero() { return {T(1)}; }
 
 private:
   T value;
diff --git a/libc/src/string/memory_utils/x86_64/inline_bcmp.h b/libc/src/string/memory_utils/x86_64/inline_bcmp.h
index 31aff86e60598e..58eaedbbe015f9 100644
--- a/libc/src/string/memory_utils/x86_64/inline_bcmp.h
+++ b/libc/src/string/memory_utils/x86_64/inline_bcmp.h
@@ -58,7 +58,7 @@ inline_bcmp_x86_avx512bw_gt16(CPtr p1, CPtr p2, size_t count) {
 [[maybe_unused]] LIBC_INLINE BcmpReturnType inline_bcmp_x86(CPtr p1, CPtr p2,
                                                             size_t count) {
   if (count == 0)
-    return BcmpReturnType::ZERO();
+    return BcmpReturnType::zero();
   if (count == 1)
     return generic::Bcmp<uint8_t>::block(p1, p2);
   if (count == 2)
diff --git a/libc/src/string/memory_utils/x86_64/inline_memcmp.h b/libc/src/string/memory_utils/x86_64/inline_memcmp.h
index d5fa77cdbbcdc0..6a315adcd566cd 100644
--- a/libc/src/string/memory_utils/x86_64/inline_memcmp.h
+++ b/libc/src/string/memory_utils/x86_64/inline_memcmp.h
@@ -59,7 +59,7 @@ inline_memcmp_x86_avx512bw_gt16(CPtr p1, CPtr p2, size_t count) {
 
 LIBC_INLINE MemcmpReturnType inline_memcmp_x86(CPtr p1, CPtr p2, size_t count) {
   if (count == 0)
-    return MemcmpReturnType::ZERO();
+    return MemcmpReturnType::zero();
   if (count == 1)
     return generic::Memcmp<uint8_t>::block(p1, p2);
   if (count == 2)