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Elhussein Mohamed
22-09-2024
فيديو شرح Chapter 0 - Introduction (Video) ضمن كورس لغة C شرح قناة Chuck Severance، الفديو رقم 3 مجانى معتمد اونلاين
The lecture covers Chapter 0 of the 1978 C Programming book by Kernighan and Ritchie. It explains that C is a low-level language dealing with fundamental computer objects such as characters, integers, and addresses. The language provides no built-in heap or garbage collection, requiring manual memory management via malloc and free functions. This design choice, while a strength, can lead to memory leaks and fragmentation if the programmer forgets to free allocated memory.
The book highlights C's portability across hardware platforms, as demonstrated by Unix systems running on both PDP-11 and Interdata 832 architectures with minimal code changes. C's minimal design philosophy, influenced by BCPL and B, includes features such as pointers for address arithmetic and call-by-value semantics, with call-by-reference achieved through explicit pointers. The lecture also notes the Lint tool as a static analysis utility for type checking and portability.
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