NetEase Cloud Classroom _ Aishu: 0 Basic one-stop C language | C Programming Explaining _ Chapter 5 Integer _ Class 40 Storage of Integer data (byte-order)

int data = 0x12345678;

#include <stdio.h> #include <stdlib.h>int main () {int data = 0x12345678;char *p = (char *) &data;printf ("%p %hhx\n ", & (P[0]), p[0]);p rintf ("%p%hhx\n ", & (P[1]), p[1]);p rintf ("%p%hhx\n ", & (P[2]), p[2]);p rintf ("%p% Hhx\n ", & (P[3]), p[3]); System (" pause "); return 0;}

Output

00000034b476fbe4 78
00000034b476fbe5 56
00000034b476fbe6 34
00000034b476fbe7 12
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It is learned that 78 is a low byte and 12 is a high byte.

The byte order is divided into: small-endian byte-order, big end byte-order.

12 is a high byte

78 is low byte

564654

NetEase Cloud Classroom _ Aishu: 0 Basic one-stop C language | C Programming Explaining _ Chapter 5 Integer _ Class 40 Storage of Integer data (byte-order)