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C - continue vs goto

The main difference is that continue is used within loops to control loop flow, while goto allows for arbitrary jumps in the code and is discouraged due to its potential to create complex and less readable code.

Here's a comparison of the continue statement and the goto statement:

continue vs goto Statement
Aspect continue Statement goto Statement
Purpose Used in loops to skip the current iteration and move to the next one. Used to transfer control to a labeled statement elsewhere in the code.
Scope Typically used within loops to control loop flow. Can be used to jump to any labeled statement within the function or even in different functions (though it's not recommended).
Control Flow Structure Follows structured control flow and is considered a part of structured programming. Allows for arbitrary jumps in the code, potentially breaking structured control flow.
Use Cases Commonly used to skip specific elements or cases during loop iterations. Rarely used, often discouraged, and considered harmful for typical programming tasks. May be used in complex error handling or to work with legacy code.
Impact on Code Readability Generally enhances code readability when used judiciously within loops. Tends to reduce code readability and maintainability, especially when used extensively.
Nesting Works well with nested loops and helps maintain loop structure. Nesting goto statements can make code extremely convoluted and hard to understand.
Error Handling Typically not used for error handling. May be used for error handling, but modern languages offer better alternatives.
Debugging Easier to debug because it maintains structured control flow. Can make code harder to debug due to non-linear control flow.
Best Practices Follows structured programming principles. Generally discouraged, and alternative control flow constructs are preferred.

In summary, the continue statement is a part of structured programming and is used within loops to control the flow of iterations, while the goto statement allows arbitrary jumps in the code and is discouraged in modern programming practices due to its potential to create complex, less readable, and error-prone code.

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