Is sizeof an operator in c language?

Yes, sizeof is an operator in C language. It is used to determine the byte size of a data type or expression and returns an integer value of type size_t representing the number of bytes of the given type.

Is sizeof an operator in C?

Yes, sizeof is an operator in C language.

What is the sizeof operator?

sizeof operator is used to determine the byte size of a data type or expression. It returns an integer value of type size_t representing the number of bytes of the given type.

How to use sizeof operator?

sizeof Operators can be applied to the following objects:

• Data types: sizeof(int), sizeof(char)、sizeof(struct)
• Variables: sizeof(i)、sizeof(c)、sizeof(s)
• Expression: sizeof(a b), sizeof(x / y)

Example:

#include <stdio.h>

int main() {
    printf("Size of an integer: %lu\n", sizeof(int));
    printf("Size of a character: %lu\n", sizeof(char));
    printf("Size of a double: %lu\n", sizeof(double));
    
    return 0;
}

Output:

<code>Size of an integer: 4
Size of a character: 1
Size of a double: 8</code>

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