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C Language > Learn C Language > What is the 'sizeof' operator used for?
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What is the 'sizeof' operator used for?

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One of the most common uses for the sizeof operator is to determine the size of objects that are referred to during storage allocation, input, and output functions. Another use of sizeof is in porting code across platforms. You can use the sizeof operator to determine the size that a data type represents. ...
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One of the most common uses for the sizeof operator is to determine the size of objects that are referred to during storage allocation, input, and output functions. Another use of sizeof is in porting code across platforms. You can use the sizeof operator to determine the size that a data type represents.
 
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