AllGo Systems Software Product Development interview questions

The interview was 2 day process. First day the HR Interviewer came with a presentation explaining about the company, like The company works on ADAS, Car Audio-Visual Infotainment Devices, etc... These kinda details can be viewed from their website. Then there was a Written test, which consists of Output Prediction in C (focus on Pointer, arrays...), some theory(for basic C, OS), 2 Function writing Questions (Mentioned in questions Session). THERE WAS NO NEGATIVE MARKS. By Evening they published the results. Out of 28 Candidates 12 were selected. Then the next day by Morning 9, They started Technical Interview. The interview duration was about 1.5hr for each Candidate. There were two Technical Interviewers, One was asking OS related questions and other was asking questions on C questions. Even though both were asking all kinda questions like OS, C Programs, Networks, etc... I was elected to go to Interviewer focusing on C. Questions are mentioned below. The Technical Interview eliminated 8 Candidates. Then they called me to HR Interview. He gave me 2 min time to talk anything. Then he asked whether am interested to go for higher studies or any business fields and so on. After HR Round, they called one of our candidate for another Technical round. But they eliminated her. And Selected the rest Candidates.