C and C Pointer Declarations: Asterisk Placement

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C and C Pointer Declarations: Asterisk Placement—Type or Variable?

Patricia Arquette

Dec 14, 2024 am 07:05 AM

C and C Pointer Declarations: Asterisk Placement—Type or Variable?

Pointer Declaration Conundrum: Asterisk Placement

In the realm of C and C programming, a recurring debate has arisen regarding the placement of the asterisk symbol in pointer declarations. Should it reside adjacent to the type name or the pointer variable name? This seemingly trivial matter has sparked much discussion and preferences.

The "C Style": Asterisk Adjacent to the Type Name

This approach emphasizes the type of the pointer variable. It declares, "the type of 'somePtr' is a pointer to 'someType.'" As a result, it strongly conveys that 'somePtr' itself is a pointer, regardless of the data type pointed to.

The "C Style": Asterisk Adjacent to the Pointer Variable Name

Conversely, this method focuses on the type of the pointed-to data. It proclaims, "the type of data pointed to by 'somePtr' is 'someType.'" This implementation highlights the data pointed to by 'somePtr' rather than 'somePtr' being a pointer.

Does Placement Matter?

In essence, both approaches are interchangeable, serving the same purpose. The compiler will interpret them identically, leading to the same result. However, the placement can subtly influence the programmer's comprehension of the code.

A Matter of Preference

Ultimately, the choice of style is a matter of personal preference, akin to brace placement debates. There is no absolute right or wrong way, and both methods have their proponents.

Middle Ground Approach

Some programmers opt for a hybrid solution, placing the asterisk between the type name and the pointer variable name. This approach avoids explicitly aligning with either the "C" or "C " style, aiming for neutrality.

Readable and Logical Approach

The most appropriate approach is the one that improves code readability and enhances logical understanding for the respective programmer. The clarity and consistency of the code should take precedence over adherence to a specific style.

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