Summary: Should a function in C always check to make sure it is not dereferencing a NULL pointer? If not when is it appropriate to skip these checks? Details: I've been reading some books about ...
I have been learning C++ and I am having a hard time understanding null. In particular, the tutorials I have read mention doing a "null check", but I am not sure what that means or why it's necessary. ...
Is a pointer pointing to 0x0000 the same as a pointer set to NULL? If NULL value is defined in the C language, then what location does it physically translate to? Is it the same as 0x0000. Where can I ...