C > Miscellaneous

Show byte order, example

Show byte order, example

#include <stdio.h>
#include <sys/types.h>

int main(void) {
 u_int32_t x = 0x12345678;          /* 305419896 */
 unsigned char *xp = (char *)&x;

 printf("Endian: ");
 printf("%0x %0x %0x %0x\n", xp[0], xp[1], xp[2], xp[3]);
 
 return 0;
}