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The C programming language made simple

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The sizeof operator in C

#include <stdio.h> #include <stdlib.h> #include <string.h> int main(int argc, char* argv[]) { int a = 5; int arr[50] = { 3, 9, 10 }; // -> int* // size_t printf("%llu\n", sizeof(int)); printf("%llu\n", sizeof(sizeof(int))); return 0; }