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C Language > Learn C Language > Should variables be stored in local blocks?
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Should variables be stored in local blocks?

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14yrs exp Math Computers Science English Hindi Teaching. Improvement In Scores Guaranteed Fee REFUND

Variables in local blocks are auto variables, meaning created and removed from memory, automatically.
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Thank You for the question Sayed.... The use of local blocks for storing variable is unusual and therefore should be avoided. Thanks, Team DishaaPro www.dishaapro.com
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The use of local blocks for storing variables is unusual and therefore should be avoided, with only rare exceptions. One of these exceptions would be for debugging purposes, when you might want to declare a local instance of a global variable to test within your function. You also might want to use a...
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The use of local blocks for storing variables is unusual and therefore should be avoided, with only rare exceptions. One of these exceptions would be for debugging purposes, when you might want to declare a local instance of a global variable to test within your function. You also might want to use a local block when you want to make your program more readable in the current context. Sometimes having the variable declared closer to where it is used makes your program more readable. However, well-written programs usually do not have to resort to declaring variables in this manner, and you should avoid using local blocks. read less
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http://everythingonc.blogspot.in/2009/05/i2-should-variables-be-stored-in-local.html
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Depends on your need, what is the life of the variable you want?
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Software Engineer

yes
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Asst Professor

Hi Sayed, The use of local blocks for storing variables is unusual and therefore should be avoided, with only rare exceptions. Thanks
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Experienced faculty in C with data structures and C++ with Data Structures,Linux Admin with Advance linux concepts

If a variable is declared as local to block, scope and life time is within the block so we can access it only in that block i.e., it provides security for that variable
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Trainer

The use of local blocks for storing variables is unusual and therefore should be avoided, with only rare exceptions. One of these exceptions would be for debugging purposes, when you might want to declare a local instance of a global variable to test within your function.
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Educator

Yes, it is a good practice to store variables in local blocks if it is to be used in that block only. Global variables increase the risk as their value can be changed by any function in the program, making it difficult to debug.
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