#: 3993 S3/Languages
    30-May-90  07:10:58
Sb: #3969-#C error trapping
Fm: Bruce MacKenzie 71725,376
To: Pete Lyall 76703,4230 (X)

Pete,
 You're right that the library functions usually give an error indication with
the returned value.  However, an error condition which happens during a math
operation, division by zero, floating point overflow ect., causes the code to
send a signal to itself.  You must capture this signal with an intercept
routine or the process will return to the shell with an error message.

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