Call By Value & Call By Reference in C

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Technically speaking, C does not do pass by reference. If you could pass by reference, you would be able to change the value of the pointer. When you use pass-by-address (which is what it's typically called when you pass a pointer by value), you're still passing by value, you're just passing an address by value. You may have helped some lower level students understand what's going on, but you're teaching something that is technically wrong from a concepts of programming languages standpoint and could be very confusing for people later in their CS education.

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I'm in exam center watching this explanation before 30min of exam at 1.5x speed 😅. Great explanation btw ❤

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great explanation

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Thanks Dear 🙏 Love from Pakistan Sindh

dhanyawad

Amazing this is the right way to explain, amazing teaching.

the pointers passed by ref are also passed by copie but they get the same reference as main

Thank you

Great

Thank you so much for this explanation.

Well explained, thank you!

thanks to you, now i can see why we do pass an address to the scanf function

Clear cut explanation sir. Thank u

bro ur a legend got a test tomorrow ( btw why is it always the indians that explain this stuff )

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Thank you sir 🙏

Accurate and concise explanation. No lecturer has ever done this before. Good job

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This dude got me to understand this in 8 minutes, while my entire University Lecturers didn't manage to teach me in my post-graduate time. ( I'm graduate now).

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If I understood correctly, local variables ptr1 and ptr2 will be DESTROYED/DUMPED after the fun() execution, right?

Thanks dude, I spent days searching on this topic and I didn't understand this concept properly. You taught this to me in just 10 minutes.

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Ty!!! Great lecture!

shouldn't funciton call be void instead of int because it doesn't return any value

Thank you sir...

int main(){
int num=add(5.4f);
printf("%d",num);
return 0;
}
int add(float f)
{
printf("%f",f);
return 10;
}

Why this code giving error why add function not taking float argument and returning the integer value which is returntype of method

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Finally i understand.

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came here 1 day before examination and understood completely thkyou<3