Program received signal SIGSEGV, Segmentation fault.
0x00007ffff50ef004 in wordcmp (word1=..., word2=...)
    at .././megahal.mod/megahal.c:2277
2277                    if(toupper(word1.word[i])!=toupper(word2.word[i]))
(gdb) bt
#0  0x00007ffff50ef004 in wordcmp (word1=..., word2=...)
    at .././megahal.mod/megahal.c:2277
#1  0x00007ffff50ef0c5 in search_dictionary (dictionary=0x702d10, word=...,
    find=0x7fffffffc2cc) at .././megahal.mod/megahal.c:2207
#2  0x00007ffff50ef18f in find_word (dictionary=0x702d10, word=...)
    at .././megahal.mod/megahal.c:2254
#3  0x00007ffff50f2d14 in reply (model=0x702c70, keys=0x80a820)
    at .././megahal.mod/megahal.c:3651
#4  0x00007ffff50f3041 in generate_reply (model=<value optimized out>,
    words=0x6da310) at .././megahal.mod/megahal.c:3419
#5  0x00007ffff50f48bc in tcl_getreply (cd=<value optimized out>,
    irp=0x680af0, argc=<value optimized out>, argv=0x685750)
    at .././megahal.mod/megahal.c:1480
#6  0x00007ffff7af34f8 in TclInvokeStringCommand ()
   from /usr/lib/libtcl8.5.so.0
#7  0x00007ffff7af4d63 in ?? () from /usr/lib/libtcl8.5.so.0
#8  0x00007ffff7b3b98e in ?? () from /usr/lib/libtcl8.5.so.0
#9  0x00007ffff7b7e237 in TclObjInterpProcCore () from /usr/lib/libtcl8.5.so.0
#10 0x00007ffff7af4d63 in ?? () from /usr/lib/libtcl8.5.so.0
#11 0x00007ffff7b3b98e in ?? () from /usr/lib/libtcl8.5.so.0
#12 0x00007ffff7b7e237 in TclObjInterpProcCore () from /usr/lib/libtcl8.5.so.0
#13 0x00007ffff7af4d63 in ?? () from /usr/lib/libtcl8.5.so.0
#14 0x00007ffff7af5c94 in ?? () from /usr/lib/libtcl8.5.so.0
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