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  1. #include <stdio.h>
  2.  
  3. int main() {
  4.     unsigned int x = 0x12345678;
  5.     unsigned char *byte = (unsigned char *)&x;
  6.  
  7.     if (byte[0] == 0x78) {
  8.         printf("Little Endian\n");
  9.     } else if (byte[0] == 0x12) {
  10.         printf("Big Endian\n");
  11.     }
  12.  
  13.     return 0;
  14. }
Success #stdin #stdout 0.01s 5284KB
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123
stdout
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Little Endian
https://ideone.com/ld2UIP
language:
C (gcc 8.3)
created:
4 days ago
visibility:
public

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