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Search the symbol table of a child process
Post 303034343 by alphakili on Tuesday 23rd of April 2019 02:34:57 PM
04-23-2019
Well, in fact it seems, that I was wrong - I haven't solved the problem. What I was trying to do was to setup a signal handler, that would drive the interchange of information between the parent and the child. According to an answer to a similar question on another forum (I still cannot post links due to my status as initiate), this is indeed not possible at all. So I am about to give the answer to my own question, that what I am trying to do is actually impossible. I would love nothing more than to be proven wrong 
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LEARN ABOUT V7
arithmetic
ARITHMETIC(6) Games Manual ARITHMETIC(6) NAME
arithmetic - provide drill in number facts SYNOPSIS
/usr/games/arithmetic [ +-x/ ] [ range ] DESCRIPTION
Arithmetic types out simple arithmetic problems, and waits for an answer to be typed in. If the answer is correct, it types back "Right!", and a new problem. If the answer is wrong, it replies "What?", and waits for another answer. Every twenty problems, it publishes statis- tics on correctness and the time required to answer. To quit the program, type an interrupt (delete). The first optional argument determines the kind of problem to be generated; +-x/ respectively cause addition, subtraction, multiplication, and division problems to be generated. One or more characters can be given; if more than one is given, the different types of problems will be mixed in random order; default is +- Range is a decimal number; all addends, subtrahends, differences, multiplicands, divisors, and quotients will be less than or equal to the value of range. Default range is 10. At the start, all numbers less than or equal to range are equally likely to appear. If the respondent makes a mistake, the numbers in the problem which was missed become more likely to reappear. As a matter of educational philosophy, the program will not give correct answers, since the learner should, in principle, be able to calcu- late them. Thus the program is intended to provide drill for someone just past the first learning stage, not to teach number facts de novo. For almost all users, the relevant statistic should be time per problem, not percent correct. ARITHMETIC(6)