cdef extern from "include_CoreServices.h":
    # This is how you get an encoding
    ctypedef enum DontCareScriptParameters:
        kTextScriptDontCare           = -128
        kTextLanguageDontCare         = -128
        kTextRegionDontCare           = -128
    ctypedef enum UsefulErrors:
        kTECBufferBelowMinimumSizeErr = -8750
        kTECArrayFullErr = -8751
        kTECPartialCharErr = -8753
        kTECUnmappableElementErr = -8754
        kTECIncompleteElementErr = -8755
        kTECUsedFallbacksStatus = -8783
        kTECOutputBufferFullStatus = -8785
    ctypedef enum ConversionMasks:
        kUnicodeUseFallbacksMask = 1 << 0
        kUnicodeKeepInfoMask = 1 << 1
        kUnicodeLooseMappingsMask = 1 << 4
        kUnicodeStringUnterminatedMask = 1 << 6
    ctypedef enum FallbackPreference:
        kUnicodeFallbackDefaultOnly = 0
        kUnicodeFallbackCustomOnly = 1
        kUnicodeFallbackDefaultFirst = 2
        kUnicodeFallbackCustomFirst = 3
        
    
    cdef OSErr UpgradeScriptInfoToTextEncoding(int iTextScriptID, int iTextLanguageID, int iRegionID, Str255 iTextFontName, int* oEncoding)

    # These are Text -> Unicode functions
    ctypedef void* TextToUnicodeInfo
    cdef OSErr CreateTextToUnicodeInfoByEncoding(int iEncoding, TextToUnicodeInfo* oTextToUnicodeInfo)
    cdef OSErr ConvertFromTextToUnicode(
        TextToUnicodeInfo iTextToUnicodeInfo,
        int iSourceLen,
        void *iSourceStr,
        int iControlFlags,
        int iOffsetCount,
        int *iOffsetArray,
        int *oOffsetCount,
        int *oOffsetArray,
        int iOutputBufLen,
        int *oSourceRead,
        int *oUnicodeLen,
        UniChar *oUnicodeStr)
    cdef OSErr DisposeTextToUnicodeInfo(TextToUnicodeInfo *ioTextToUnicodeInfo)
    cdef OSErr ResetTextToUnicodeInfo(TextToUnicodeInfo ioTextToUnicodeInfo)

    # These are Unicode -> Text functions
    ctypedef void* UnicodeToTextInfo
    cdef OSErr CreateUnicodeToTextInfoByEncoding(int iEncoding, UnicodeToTextInfo* oUnicodeToTextInfo)
    cdef OSErr ConvertFromUnicodeToText(
        UnicodeToTextInfo iUnicodeToTextInfo,
        int iUnicodeLen,
        void *iUnicodeStr,
        int iControlFlags,
        int iOffsetCount,
        int *iOffsetArray,
        int *oOffsetCount,
        int *oOffsetArray,
        int iOutputBufLen,
        int *oInputRead,
        int *oOutputLen,
        char *oOutputStr)
    cdef OSErr DisposeUnicodeToTextInfo(UnicodeToTextInfo *ioUnicodeToTextInfo)
    cdef OSErr ResetUnicodeToTextInfo(UnicodeToTextInfo ioUnicodeToTextInfo)
    ctypedef OSStatus (*UnicodeToTextFallbackProcPtr)(
        UniChar *iSrcUniStr,
        int iSrcUniStrLen,
        int *oSrcConvLen,
        char *oDestStr,
        int iDestStrLen,
        int *oDestConvLen,
        int iInfoPtr,
        void *iUnicodeMappingPtr)