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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. typedef unsigned char byte;
  4.  
  5. static void func_main(size_t const size) {
  6. 	for (size_t a = 4; a; --a) {
  7. 		puts("dummy");
  8. 		byte b[size]; // ここ
  9. 		fprintf(stderr, "%p\n", b);
  10. 		memcpy(b, &a, size);
  11. 		printf("%u\n", *(byte *)b);
  12. 	}
  13. 	return;
  14. }
  15.  
  16. int main(void) {
  17. 	func_main(sizeof(size_t));
  18. 	return 0;
  19. }
  20.  
Success #stdin #stdout #stderr 0s 2112KB
comments (?)
stdin
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Standard input is empty
stdout
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dummy
4
dummy
3
dummy
2
dummy
1
stderr
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0xbf801f5c
0xbf801f5c
0xbf801f5c
0xbf801f5c
https://ideone.com/WBNLIy
language:
C (gcc 8.3)
created:
10 years ago
visibility:
public

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