关于大端小端字节序的测试程序

#include <iostream> //stderr, fprintf
#include <arpa/inet.h>

using namespace std;

int main(int argc, char **argv) {
unsigned int data = 0x19490738;
unsigned char *str = (unsigned char *) &data;
fprintf(stderr, "%x\n", *str);

// Network byte order(big endian), so big(19) is first.
unsigned int hdata = htonl(data);
str = (unsigned char *) &hdata;
fprintf(stderr, "%x\n", *str);

return 0;
}

[biglitEndian]$ g++ -o testBigLit  testBigLit.cpp
[biglitEndian]$ ./testBigLit
38
19