Call by Value and Call by Reference in C

Call by Value and Call by Reference in C What is call by value, call by reference. What are the difference between call by value and call by reference. Swap two numbers using call by value and call be references. Pointers with functions. Passing pointers to functions Functions in C : https://youtu.be/pKNXHEzTrwo https://youtu.be/-UIIGxrmtXA Categories of functions in C : https://youtu.be/-UIIGxrmtXA Arrays in C: https://youtu.be/kNnRqXRzUdU Two Dimensional Arrays in C : https://youtu.be/-_D1KDFCauU Matrix Addition in C : https://youtu.be/6f5KWhZ5Z5k PLAYLIST'S C SERIES PLAY LIST list: https://youtube.com/playlist?list=PLT-27EiIrgnrjqAgu0K3Opkbg4NbhJ56G SADP PLAYLIST: https://youtube.com/playlist?list=PLT-27EiIrgnrMZ8QQU_kGTaaGRcjL_z3- ANN : https://youtube.com/playlist?list=PLT-27EiIrgnrCc2DB-UvL_p_YFmIdJ1W8