diff --git a/src/main.zig b/src/main.zig
index 168124c31cf666bf6bb24290b4428283772560be..f82ed07920161ff5222b547013dd3acbb99a46dc 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -4,8 +4,10 @@ const icu = @import("icu");
 const t = @import("./types.zig");
 
 //
-//
+// uchar.h
 
+// U_CAPI UBool U_EXPORT2
+// u_hasBinaryProperty(UChar32 c, UProperty which);
 export fn u_hasBinaryProperty(cp: u32, prop: t.UProperty) bool {
     return switch (prop) {
         .UCHAR_ALPHABETIC => icu.hasDerivedCoreProperty(cp, .Alphabetic),
@@ -144,3 +146,185 @@ export fn u_hasBinaryProperty(cp: u32, prop: t.UProperty) bool {
         // Modifier_Combining_Mark,
     };
 }
+
+// U_CAPI UBool U_EXPORT2
+// u_stringHasBinaryProperty(const UChar *s, int32_t length, UProperty which);
+
+// U_CAPI const USet * U_EXPORT2
+// u_getBinaryPropertySet(UProperty property, UErrorCode *pErrorCode);
+
+// U_CAPI UBool U_EXPORT2
+// u_isUAlphabetic(UChar32 c);
+
+// U_CAPI UBool U_EXPORT2
+// u_isULowercase(UChar32 c);
+
+// U_CAPI UBool U_EXPORT2
+// u_isUUppercase(UChar32 c);
+
+// U_CAPI UBool U_EXPORT2
+// u_isUWhiteSpace(UChar32 c);
+
+// U_CAPI int32_t U_EXPORT2
+// u_getIntPropertyValue(UChar32 c, UProperty which);
+
+// U_CAPI int32_t U_EXPORT2
+// u_getIntPropertyMinValue(UProperty which);
+
+// U_CAPI int32_t U_EXPORT2
+// u_getIntPropertyMaxValue(UProperty which);
+
+// U_CAPI const UCPMap * U_EXPORT2
+// u_getIntPropertyMap(UProperty property, UErrorCode *pErrorCode);
+
+// U_CAPI double U_EXPORT2
+// u_getNumericValue(UChar32 c);
+
+// U_CAPI UBool U_EXPORT2
+// u_islower(UChar32 c);
+
+// U_CAPI UBool U_EXPORT2
+// u_isupper(UChar32 c);
+
+// U_CAPI UBool U_EXPORT2
+// u_istitle(UChar32 c);
+
+// U_CAPI UBool U_EXPORT2
+// u_isdigit(UChar32 c);
+
+// U_CAPI UBool U_EXPORT2
+// u_isalpha(UChar32 c);
+
+// U_CAPI UBool U_EXPORT2
+// u_isalnum(UChar32 c);
+
+// U_CAPI UBool U_EXPORT2
+// u_isxdigit(UChar32 c);
+
+// U_CAPI UBool U_EXPORT2
+// u_ispunct(UChar32 c);
+
+// U_CAPI UBool U_EXPORT2
+// u_isgraph(UChar32 c);
+
+// U_CAPI UBool U_EXPORT2
+// u_isblank(UChar32 c);
+// U_CAPI UBool U_EXPORT2
+// u_isdefined(UChar32 c);
+
+// U_CAPI UBool U_EXPORT2
+// u_isspace(UChar32 c);
+
+// U_CAPI UBool U_EXPORT2
+// u_isJavaSpaceChar(UChar32 c);
+
+// U_CAPI UBool U_EXPORT2
+// u_isWhitespace(UChar32 c);
+
+// U_CAPI UBool U_EXPORT2
+// u_iscntrl(UChar32 c);
+
+// U_CAPI UBool U_EXPORT2
+// u_isISOControl(UChar32 c);
+
+// U_CAPI UBool U_EXPORT2
+// u_isprint(UChar32 c);
+
+// U_CAPI UBool U_EXPORT2
+// u_isbase(UChar32 c);
+
+// U_CAPI UCharDirection U_EXPORT2
+// u_charDirection(UChar32 c);
+
+// U_CAPI UBool U_EXPORT2
+// u_isMirrored(UChar32 c);
+
+// U_CAPI UChar32 U_EXPORT2
+// u_charMirror(UChar32 c);
+
+// U_CAPI UChar32 U_EXPORT2
+// u_getBidiPairedBracket(UChar32 c);
+
+// U_CAPI int8_t U_EXPORT2
+// u_charType(UChar32 c);
+
+// U_CAPI void U_EXPORT2
+// u_enumCharTypes(UCharEnumTypeRange *enumRange, const void *context);
+
+// U_CAPI uint8_t U_EXPORT2
+// u_getCombiningClass(UChar32 c);
+
+// U_CAPI int32_t U_EXPORT2
+// u_charDigitValue(UChar32 c);
+
+// U_CAPI UBlockCode U_EXPORT2
+// ublock_getCode(UChar32 c);
+
+// U_CAPI int32_t U_EXPORT2
+// u_charName(UChar32 code, UCharNameChoice nameChoice, char *buffer, int32_t bufferLength, UErrorCode *pErrorCode);
+
+// U_CAPI UChar32 U_EXPORT2
+// u_charFromName(UCharNameChoice nameChoice, const char *name, UErrorCode *pErrorCode);
+
+// U_CAPI void U_EXPORT2
+// u_enumCharNames(UChar32 start, UChar32 limit, UEnumCharNamesFn *fn, void *context, UCharNameChoice nameChoice, UErrorCode *pErrorCode);
+
+// U_CAPI const char* U_EXPORT2
+// u_getPropertyName(UProperty property, UPropertyNameChoice nameChoice);
+
+// U_CAPI UProperty U_EXPORT2
+// u_getPropertyEnum(const char* alias);
+
+// U_CAPI const char* U_EXPORT2
+// u_getPropertyValueName(UProperty property, int32_t value, UPropertyNameChoice nameChoice);
+
+// U_CAPI int32_t U_EXPORT2
+// u_getPropertyValueEnum(UProperty property, const char* alias);
+
+// U_CAPI UBool U_EXPORT2
+// u_isIDStart(UChar32 c);
+
+// U_CAPI UBool U_EXPORT2
+// u_isIDPart(UChar32 c);
+
+// U_CAPI bool U_EXPORT2
+// u_hasIDType(UChar32 c, UIdentifierType type);
+
+// U_CAPI int32_t U_EXPORT2
+// u_getIDTypes(UChar32 c, UIdentifierType *types, int32_t capacity, UErrorCode *pErrorCode);
+
+// U_CAPI UBool U_EXPORT2
+// u_isIDIgnorable(UChar32 c);
+
+// U_CAPI UBool U_EXPORT2
+// u_isJavaIDStart(UChar32 c);
+
+// U_CAPI UBool U_EXPORT2
+// u_isJavaIDPart(UChar32 c);
+
+// U_CAPI UChar32 U_EXPORT2
+// u_tolower(UChar32 c);
+
+// U_CAPI UChar32 U_EXPORT2
+// u_toupper(UChar32 c);
+
+// U_CAPI UChar32 U_EXPORT2
+// u_totitle(UChar32 c);
+
+// U_CAPI UChar32 U_EXPORT2
+// u_foldCase(UChar32 c, uint32_t options);
+
+// U_CAPI int32_t U_EXPORT2
+// u_digit(UChar32 ch, int8_t radix);
+
+// U_CAPI UChar32 U_EXPORT2
+// u_forDigit(int32_t digit, int8_t radix);
+
+// U_CAPI void U_EXPORT2
+// u_charAge(UChar32 c, UVersionInfo versionArray);
+
+// U_CAPI void U_EXPORT2
+// u_getUnicodeVersion(UVersionInfo versionArray);
+
+// U_CAPI int32_t U_EXPORT2
+// u_getFC_NFKC_Closure(UChar32 c, UChar *dest, int32_t destCapacity, UErrorCode *pErrorCode);