// Pantea Aria // sizeof #include struct student { int id; char grade; double mark; }; int main(void) { printf("Size of an int: %lu bytes\n", sizeof(int)); printf("Size of a char: %lu bytes\n", sizeof(char)); printf("Size of a double: %lu bytes\n",sizeof(double) ); printf("Size of 5 doubles: %lu bytes\n", 5 * sizeof(double)); printf("Size of struct student: %lu bytes\n", sizeof(struct student)); printf("Size of a pointer of double: %lu bytes\n", sizeof(double *)); return 0; }