+void StrBufCutAt(StrBuf *Buf, int AfternChars, const char *At);
+void StrBufTrim(StrBuf *Buf);
+void StrBufStripAllBut(StrBuf *Buf, char leftboundary, char rightboundary);
+void StrBufUpCase(StrBuf *Buf);
+void StrBufLowerCase(StrBuf *Buf);
+void StrBufStripSlashes(StrBuf *Dir, int RemoveTrailingSlash);
+void StrBufEUid_unescapize(StrBuf *target, const StrBuf *source);
+void StrBufEUid_escapize(StrBuf *target, const StrBuf *source);
+
+void StrBufToUnixLF(StrBuf *buf);
+void StrBufReplaceChars(StrBuf *buf, char search, char replace);
+
+int CompressBuffer(StrBuf *Buf);
+void StrBufConvert(StrBuf *ConvertBuf, StrBuf *TmpBuf, void *pic);
+void ctdl_iconv_open(const char *tocode, const char *fromcode, void *pic);
+void StrBuf_RFC822_to_Utf8(StrBuf *Target, const StrBuf *DecodeMe, const StrBuf* DefaultCharset, StrBuf *FoundCharset);
+int StrBufDecodeBase64(StrBuf *Buf);
+int StrBufDecodeHex(StrBuf *Buf);
+int StrBufRFC2047encode(StrBuf **target, const StrBuf *source);
+StrBuf *StrBufSanitizeEmailRecipientVector(const StrBuf *Recp,
+ StrBuf *UserName,
+ StrBuf *EmailAddress,
+ StrBuf *EncBuf);
+int StrBufSanitizeAscii(StrBuf *Buf, const char Mute);
+#define LB (1) /* Internal escape chars */
+#define RB (2)
+#define QU (3)
+void StrBufUrlescAppend(StrBuf *OutBuf, const StrBuf *In, const char *PlainIn);
+void StrBufHexescAppend(StrBuf *OutBuf, const StrBuf *In, const char *PlainIn);
+long StrEscAppend(StrBuf *Target, const StrBuf *Source, const char *PlainIn, int nbsp, int nolinebreaks);
+long StrECMAEscAppend(StrBuf *Target, const StrBuf *Source, const char *PlainIn);
+long StrHtmlEcmaEscAppend(StrBuf *Target, const StrBuf *Source, const char *PlainIn, int nbsp, int nolinebreaks);
+void StrMsgEscAppend(StrBuf *Target, const StrBuf *Source, const char *PlainIn);
+void StrIcalEscAppend(StrBuf *Target, const StrBuf *Source, const char *PlainIn);
+
+long StrTol(const StrBuf *Buf);
+int StrToi(const StrBuf *Buf);
+int StrBufIsNumber(const StrBuf *Buf);
+long StrBuf_Utf8StrLen(StrBuf *Buf);
+long StrBuf_Utf8StrCut(StrBuf *Buf, int maxlen);
+
+const char *GuessMimeType(const char *data, size_t dlen);