Explain what are header files and explain what are its uses in c programming?
Answer / Tarun Saini
In C, the sizeof operator returns the size of a data type in bytes. It can be used with any data type, including user-defined types. For example: int x; printf("Size of int is: %ld
", sizeof(x)); char str[10]; printf("Size of char array is: %ld
", sizeof(str));
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