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  1. #include <stdio.h>
  2.  
  3. int getByte(int x, int n);
  4.  
  5. int main()
  6. {
  7.     int x = 0xAABBCCDD;
  8.     int n;
  9.  
  10.     for (n=0; n<=3; n++) {
  11.         printf("byte %d of 0x%08X is 0x%08X\n", n, x, getByte(x,n));
  12.     }
  13.     return 0;
  14. }
  15.  
  16. // extract byte n from word x
  17. // bytes numbered from 0 (LSByte) to 3 (MSByte)
  18. int getByte(int x, int n)
  19. {
  20.     return (x >> (n << 3)) & 0xFF;
  21. }
  22.  
Success #stdin #stdout 0s 4552KB
comments (?)
stdin
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Standard input is empty
stdout
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byte 0 of 0xAABBCCDD is 0x000000DD
byte 1 of 0xAABBCCDD is 0x000000CC
byte 2 of 0xAABBCCDD is 0x000000BB
byte 3 of 0xAABBCCDD is 0x000000AA
https://ideone.com/NM8sth
language:
C99 (gcc 8.3)
created:
6 years ago
visibility:
public

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