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=628
    hts_isCharsetUTF8 /src/httrack/src/htscharset.c linenumber=631
      strcasecmp  linenumber=719
      strcasecmp  linenumber=720
    hts_isStringAscii /src/httrack/src/htscharset.c linenumber=631
    hts_stringMemCopy /src/httrack/src/htscharset.c linenumber=632
    hts_convertStringCharset /src/httrack/src/htscharset.c linenumber=636
      strdup  linenumber=548
      hts_equalsAlphanum /src/httrack/src/htscharset.c linenumber=551
      hts_stringMemCopy /src/httrack/src/htscharset.c linenumber=552
      iconv_open  linenumber=557
      iconv  linenumber=577
      __errno_location  linenumber=579
      realloc  linenumber=583
      realloc  linenumber=601
      iconv_close  linenumber=607
  hts_convertStringFromUTF8 /src/httrack/src/htscharset.c linenumber=54
    strdup  linenumber=643
    hts_isCharsetUTF8 /src/httrack/src/htscharset.c linenumber=646
    hts_isStringAscii /src/httrack/src/htscharset.c linenumber=646
    hts_stringMemCopy /src/httrack/src/htscharset.c linenumber=647
    hts_convertStringCharset /src/httrack/src/htscharset.c linenumber=651
  hts_convertUTF8StringToUCS4 /src/httrack/src/htscharset.c linenumber=59
    nlz8 /src/httrack/src/htscharset.c linenumber=1240
    realloc  linenumber=1245
    realloc  linenumber=1250
  hts_convertUCS4StringToUTF8 /src/httrack/src/htscharset.c linenumber=62
    realloc  linenumber=1311
    realloc  linenumber=1314
  hts_readUTF8 /src/httrack/src/htscharset.c linenumber=72
    nlz8 /src/httrack/src/htscharset.c linenumber=1345
  hts_writeUTF8 /src/httrack/src/htscharset.c linenumber=77
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