Call tree
LLVMFuzzerTestOneInput /src/httrack/fuzz/fuzz-charset.c linenumber=-1
  fuzz_strdup /src/httrack/fuzz/fuzz.h linenumber=47
  hts_convertStringToUTF8 /src/httrack/src/htscharset.c linenumber=50
    strdup  linenumber=560
    hts_isCharsetUTF8 /src/httrack/src/htscharset.c linenumber=563
      strcasecmp  linenumber=644
      strcasecmp  linenumber=645
    hts_isStringAscii /src/httrack/src/htscharset.c linenumber=563
    hts_stringMemCopy /src/httrack/src/htscharset.c linenumber=564
    hts_convertStringCharset /src/httrack/src/htscharset.c linenumber=568
      strdup  linenumber=481
      hts_equalsAlphanum /src/httrack/src/htscharset.c linenumber=484
      hts_stringMemCopy /src/httrack/src/htscharset.c linenumber=485
      iconv_open  linenumber=490
      iconv  linenumber=510
      __errno_location  linenumber=512
      realloc  linenumber=516
      realloc  linenumber=534
      iconv_close  linenumber=540
  hts_convertStringFromUTF8 /src/httrack/src/htscharset.c linenumber=54
    strdup  linenumber=575
    hts_isCharsetUTF8 /src/httrack/src/htscharset.c linenumber=578
    hts_isStringAscii /src/httrack/src/htscharset.c linenumber=578
    hts_stringMemCopy /src/httrack/src/htscharset.c linenumber=579
    hts_convertStringCharset /src/httrack/src/htscharset.c linenumber=583
  hts_convertUTF8StringToUCS4 /src/httrack/src/htscharset.c linenumber=59
    nlz8 /src/httrack/src/htscharset.c linenumber=1173
    realloc  linenumber=1178
    realloc  linenumber=1183
  hts_convertUCS4StringToUTF8 /src/httrack/src/htscharset.c linenumber=62
    realloc  linenumber=1251
    realloc  linenumber=1254
  hts_readUTF8 /src/httrack/src/htscharset.c linenumber=72
    nlz8 /src/httrack/src/htscharset.c linenumber=1285
  hts_writeUTF8 /src/httrack/src/htscharset.c linenumber=77
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