Why does my program give “NULL used in arithmetic”

Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Want to improve this question? Update the question so it’s on-topic for Stack Overflow. Closed 7 years ago. I wrote the following; It worked correctly, but when I added the line at the end: It no longer works. Why?

error: no member function declared in class

I keep getting the following errors from my code: (line 58) error: no ‘std::string Person::Modify_Person(Person)’ member function declared in class ‘Person’ In function ‘int main()’: (line 113) error: ‘Modify_Person’ was not declared in this scope Here is the code:

“please check gdb is codesigned – see taskgated(8)” – How to get gdb installed with homebrew code signed?

This error occurs because OSX implements a pid access policy which requires a digital signature for binaries to access other processes pids. To enable gdb access to other processes, we must first code sign the binary. This signature depends on a particular certificate, which the user must create and register with the system. To create … Read more