Question: Coding help for C Trying to write a function that takes a cstring which something like 123-100 and then returns 23 as a int. So

Coding help for C Trying to write a function that takes a cstring which something like "123-100" and then returns 23 as a int. So the condition of the string is none of them are negative, and the operator is in between the two integers. The operator could be a +,-,or *.

How can this be done without using any libraries

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