From: "The Advisor" <TheAdvisor AT cadvision DOT com>
Newsgroups: comp.os.msdos.djgpp
Subject: SIGSEGV - oh how we love you
Date: Sun, 14 Nov 1999 18:19:57 -0700
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To: djgpp AT delorie DOT com
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From The Advisor- TheAdvisor AT cadvision DOT com ...

Can anybody help me figure out why I'm getting a SIGSEGV?

Okay here's a snippet of my program: ( this is in a loop to constantly get
keys from the user and store them in a linked list... )
   int ch;
   ch = readkey();
   switch(ch >> 8) {
       case KEY_ENTER: { printf("\n"); break; }
       default: { if(((ch & 0xff) >= 32) && ((ch2 & 0xff) <= 255))
 printf("%c", (ch & 0xff)); }
      }

Shutting down Allegro
Exiting due to signal SIGSEGV

General Protection Fault at eip=00001796
eax=ffffffff ebx=00008454 ecx=000ca7a4 edx=000ca790 esi=00000054
edi=0004a370
ebp=000ca300 esp=000ca2e8 program=D:\PROGRAMS\CEDIT\TEST\CHARTEST.EXE
cs: sel=00a7  base=84547000  limit=fed80fff
ds: sel=00af  base=84547000  limit=fed80fff
es: sel=00af  base=84547000  limit=fed80fff
fs: sel=00c7  base=00000000  limit=0010ffff
gs: sel=00c7  base=00000000  limit=0010ffff
ss: sel=00af  base=84547000  limit=fed80fff
App stack: [000ca370..0004a370]  Exceptn stack: [0004a250..00048310]

Call frame traceback EIPs:
  0x00001796
  0x00001f44
  0x000285ae