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How does a C compiler differentiate a local and a global variable of the same name?

Asked by Samskriti 16/10/2017 Last Modified 10/10/2025

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Write a programme to swap two numbers with out using a third variable and by using bitwise op-erators.

main(){ int a=5,b=10; printf("\r Before Swap"); printf("\r a=%d and b=%d",a,b); a^=b^=a^=b; printf("\r After Swap"); printf("\r a=%d and b=%d",a,b); return 0; }

Ranjeeth

0 0

Can a function defined inside another function?

No its not allowed, but some compilers support. Instead check out OOP C++, which would encapsulation, that is better than function in function.

Kamal

0 0

in c : i want run time input: data=[name:raj,age:20] output: value[0]=raj value[1]=20 i want c code

Make use of Command line argument and access using argv,argc.

Vanaraj

1 0

Which is the best C language IDE/compiler for Windows?

For Windows, one of the widely regarded C language IDEs is Microsoft Visual Studio. It provides a comprehensive development environment with features like code highlighting, IntelliSense for smart code...

Deepashri

0 0

How many programs are in the C language?

It's challenging to provide an exact count of how many programs are written in the C language globally, as it's an immensely popular and widely-used programming language. C has been in existence since...

Muskan

0 0

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C Language: C Language is structured, high level and machine independent language. C Program: C Program is the collection of functions that are supported by C library.

Shashwat

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10 Tips to improve your learning

1. Have a quick revision of topics that you have read in past three days before you start studying a new topic. 2. Make your own notes containing the summary of the topic. 3. Allot proper timing for...

Seemakurthy Hupesh

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Lets know about far, near and huge pointers for fresher interview purpose

All of these three candidates relate to 16 bit architecture where segmented memory architecture was there. They are not at all relevant for present days 32 or 64 bit architecture where the way of memory...

Shiladitya

0 0

Why we need to learn Programming languages?

Language is medium for communication. If two parties like to communicate or exchange the thoughts they must know a language. Language should be understandable by both the Parties. For example A wants to...

Mahesh

1 0

Efficient Learning Strategies

Type your notes after class Write your notes onto flashcards - Scrabble -Make posters Review flashcards while walking, at gym, etc. Dog-ear pages in the reading where you can find...

Vijith V T

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