{"id":9703,"date":"2022-05-19T03:45:07","date_gmt":"2022-05-19T03:45:07","guid":{"rendered":"http:\/\/fastbitlab.com\/?p=9703"},"modified":"2023-09-23T16:57:28","modified_gmt":"2023-09-23T11:27:28","slug":"microcontroller-embedded-c-programming-lecture-40-extern-storage-class-specifier","status":"publish","type":"post","link":"https:\/\/fastbitlab.com\/blog\/microcontroller-embedded-c-programming-lecture-40-extern-storage-class-specifier\/","title":{"rendered":"Microcontroller Embedded C Programming Lecture 40| ‘Extern’ storage class specifier"},"content":{"rendered":"
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‘Extern’<\/span> storage class specifier<\/strong><\/span><\/h1>\n
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In this article, let’s understand <\/span>‘extern<\/span>‘<\/b> keyword. <\/span><\/span><\/p>\n

In C, the ‘extern<\/strong><\/span>‘ storage class specifier is used to declare a variable or function that is defined in another file or translation unit within the same program. It serves as a way to extend the visibility and accessibility of variables and functions across multiple files, allowing them to be used in a modular and organized manner. <\/span><\/p>\n

We already used this<\/span> extern<\/b><\/span> keyword in our previous example. But let’s know some points about the<\/span> extern<\/b><\/span> keyword.<\/span><\/span><\/p>\n