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=617
    hts_isCharsetUTF8 /src/httrack/src/htscharset.c linenumber=620
      strcasecmp  linenumber=708
      strcasecmp  linenumber=709
    hts_isStringAscii /src/httrack/src/htscharset.c linenumber=620
    hts_stringMemCopy /src/httrack/src/htscharset.c linenumber=621
    hts_convertStringCharset /src/httrack/src/htscharset.c linenumber=625
      strdup  linenumber=537
      hts_equalsAlphanum /src/httrack/src/htscharset.c linenumber=540
      hts_stringMemCopy /src/httrack/src/htscharset.c linenumber=541
      iconv_open  linenumber=546
      iconv  linenumber=566
      __errno_location  linenumber=568
      realloc  linenumber=572
      realloc  linenumber=590
      iconv_close  linenumber=596
  hts_convertStringFromUTF8 /src/httrack/src/htscharset.c linenumber=54
    strdup  linenumber=632
    hts_isCharsetUTF8 /src/httrack/src/htscharset.c linenumber=635
    hts_isStringAscii /src/httrack/src/htscharset.c linenumber=635
    hts_stringMemCopy /src/httrack/src/htscharset.c linenumber=636
    hts_convertStringCharset /src/httrack/src/htscharset.c linenumber=640
  hts_convertUTF8StringToUCS4 /src/httrack/src/htscharset.c linenumber=59
    nlz8 /src/httrack/src/htscharset.c linenumber=1237
    realloc  linenumber=1242
    realloc  linenumber=1247
  hts_convertUCS4StringToUTF8 /src/httrack/src/htscharset.c linenumber=62
    realloc  linenumber=1315
    realloc  linenumber=1318
  hts_readUTF8 /src/httrack/src/htscharset.c linenumber=72
    nlz8 /src/httrack/src/htscharset.c linenumber=1349
  hts_writeUTF8 /src/httrack/src/htscharset.c linenumber=77
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