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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4.   struct Prueba1 {
  5.     int a; char b;
  6.   } A;
  7.   printf("Antes de:\n\t#pragma pack(push)\n\t#pragma pack(2) - ");
  8.   printf("%zu == 8\n", sizeof(struct Prueba1));
  9.   #pragma pack(push)
  10.   #pragma pack(2)
  11.   struct Prueba2 {
  12.     int a; char b;
  13.   } B;
  14.   #pragma pack(pop)
  15.   printf("Luego de:\n\t#pragma pack(push)\n\t#pragma pack(2) - ");
  16.   printf("%zu == 6\n", sizeof(struct Prueba2));
  17.   return 0;
  18. }
  19.  
Success #stdin #stdout 0s 4512KB
comments (?)
stdin
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Standard input is empty
stdout
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Antes de:
	#pragma pack(push)
	#pragma pack(2) - 8 == 8
Luego de:
	#pragma pack(push)
	#pragma pack(2) - 6 == 6
https://ideone.com/tH2jOe
language:
C (gcc 8.3)
created:
7 years ago
visibility:
public

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