We had C project in school about multi-process communication and syscalls. We worked in groups of three.
I made a "framework"(header file) with important prototypes and definitions of needed variable sizes.
One of group member decided to null his variable by bzero syscall (writes null bytes). He ignored my framework and typed literal "sizeof". Ofc nulled double the needed value and it nulled another variable with some TCP packet also.
Spend week trying to find what is wrong with it.
I hate group projects.