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=675
    hts_isCharsetUTF8 /src/httrack/src/htscharset.c linenumber=678
      strcasecmp  linenumber=767
      strcasecmp  linenumber=768
    hts_isStringAscii /src/httrack/src/htscharset.c linenumber=678
    hts_stringMemCopy /src/httrack/src/htscharset.c linenumber=679
    hts_convertStringCharset /src/httrack/src/htscharset.c linenumber=683
      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=630
      realloc  linenumber=648
      iconv_close  linenumber=654
  hts_convertStringFromUTF8 /src/httrack/src/htscharset.c linenumber=57
    strdup  linenumber=690
    hts_isCharsetUTF8 /src/httrack/src/htscharset.c linenumber=693
    hts_isStringAscii /src/httrack/src/htscharset.c linenumber=693
    hts_stringMemCopy /src/httrack/src/htscharset.c linenumber=694
    hts_convertStringCharset /src/httrack/src/htscharset.c linenumber=698
  hts_convertUTF8StringToUCS4 /src/httrack/src/htscharset.c linenumber=62
    nlz8 /src/httrack/src/htscharset.c linenumber=1290
    realloc  linenumber=1295
    realloc  linenumber=1300
  hts_convertUCS4StringToUTF8 /src/httrack/src/htscharset.c linenumber=65
    realloc  linenumber=1361
    realloc  linenumber=1364
  hts_readUTF8 /src/httrack/src/htscharset.c linenumber=75
    nlz8 /src/httrack/src/htscharset.c linenumber=1395
  hts_writeUTF8 /src/httrack/src/htscharset.c linenumber=80
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