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  1. #include <stdio.h>
  2. #include <stdint.h>
  3. struct uint48 {
  4.     uint64_t x:48;
  5. } __attribute__((packed));
  6.  
  7. int main(void)
  8. {
  9.     struct uint48 ui48;
  10.     printf( "%u\n", sizeof(ui48)); // prints 6
  11.     printf( "%zu\n", sizeof(ui48));
  12.     return 0;
  13. }
  14.  
Success #stdin #stdout 0s 2248KB
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stdin
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Standard input is empty
stdout
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6
6
https://ideone.com/1nVesR
language:
C (gcc 8.3)
created:
10 years ago
visibility:
public

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