Call tree
LLVMFuzzerTestOneInput /src/httrack/fuzz/fuzz-charset.c linenumber=-1
  fuzz_strdup /src/httrack/fuzz/fuzz.h linenumber=50
  hts_convertStringToUTF8 /src/httrack/src/htscharset.c linenumber=53
    strdup  linenumber=686
    hts_isCharsetUTF8 /src/httrack/src/htscharset.c linenumber=689
      strcasecmp  linenumber=778
      strcasecmp  linenumber=779
    hts_isStringAscii /src/httrack/src/htscharset.c linenumber=689
    hts_stringMemCopy /src/httrack/src/htscharset.c linenumber=690
    hts_convertStringCharset /src/httrack/src/htscharset.c linenumber=694
      strdup  linenumber=595
      hts_equalsAlphanum /src/httrack/src/htscharset.c linenumber=598
      hts_stringMemCopy /src/httrack/src/htscharset.c linenumber=599
      iconv_open  linenumber=604
      iconv  linenumber=624
      __errno_location  linenumber=626
      realloc  linenumber=633
      realloc  linenumber=653
      iconv_close  linenumber=665
  hts_convertStringFromUTF8 /src/httrack/src/htscharset.c linenumber=57
    strdup  linenumber=701
    hts_isCharsetUTF8 /src/httrack/src/htscharset.c linenumber=704
    hts_isStringAscii /src/httrack/src/htscharset.c linenumber=704
    hts_stringMemCopy /src/httrack/src/htscharset.c linenumber=705
    hts_convertStringCharset /src/httrack/src/htscharset.c linenumber=709
  hts_convertUTF8StringToUCS4 /src/httrack/src/htscharset.c linenumber=62
    nlz8 /src/httrack/src/htscharset.c linenumber=1296
    realloc  linenumber=1301
    abortf_ /src/httrack/src/./htssafe.h linenumber=1301
      hts_get_error_callback /src/httrack/src/htslib.c linenumber=118
      log_abort_ /src/httrack/src/./htssafe.h linenumber=120
        fprintf  linenumber=110
        fflush  linenumber=111
      abort  linenumber=121
    realloc  linenumber=1306
    abortf_ /src/httrack/src/./htssafe.h linenumber=1306
  hts_convertUCS4StringToUTF8 /src/httrack/src/htscharset.c linenumber=65
    realloc  linenumber=1367
    abortf_ /src/httrack/src/./htssafe.h linenumber=1367
    realloc  linenumber=1370
    abortf_ /src/httrack/src/./htssafe.h linenumber=1370
  hts_readUTF8 /src/httrack/src/htscharset.c linenumber=75
    nlz8 /src/httrack/src/htscharset.c linenumber=1401
  hts_writeUTF8 /src/httrack/src/htscharset.c linenumber=80
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