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In the example below, assuming the size of buf is equal sizeof(size_t) + (sizeof(char) * 50), which would equal 54 (assuming sizeof(size_t) is 4) is incorrect. The sizeof(buf) may actually evaluate to be 56 due to structure padding.
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struct buffer {
size_t size;
char buffer[50];
};
int main(int argc, char *argv[]) {
struct buffer buf;
printf("%u",sizeof(buf));
return 0;
}
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