8.13 How to get C programs automatically generate stack dumps?

Here is how you get a C program automatically generate a stack dump
when they abend:

U_STACK_TRACE() is an undocumented function that resides in libcl.a.
Set up the signal handling like this:

#include <signal.h>
extern void U_STACK_TRACE();
signal(SIGSEGV, U_STACK_TRACE);

(Thanks to <matthews@cadcam.pms.ford.com>)