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  1. #include <stdio.h>
  2. #include <stdint.h>
  3.  
  4. uint32_t swap_data(uint32_t input);
  5.  
  6. int main(void)
  7. {
  8.   uint32_t input = 0x12345678 ,output = swap_data(input);
  9.   printf("%x",output);
  10. }
  11.  
  12. uint32_t swap_data(uint32_t input)
  13. {
  14.  
  15.   uint32_t output ;
  16.   uint8_t temp;
  17.  
  18.   for(int i = 0; i < 4 ; i++)
  19.   {
  20.     temp = (input >> (8 * i))&0xff;
  21.     output = output << 8;
  22.     output += temp;
  23.   }
  24.   return output;
  25. }
Success #stdin #stdout 0.01s 5288KB
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https://ideone.com/j5bFqc
language:
C (gcc 8.3)
created:
5 days ago
visibility:
public

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