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  1. #include<stdio.h>
  2. #include<stdlib.h>
  3.  
  4.  
  5. /* Procedimento */
  6. void altera(int vet[], int x) 
  7. {
  8. 	vet[0] = -55;
  9. 	x      = -2;
  10. }
  11.  
  12.  
  13. /* Funcao principal */
  14. int main(void)
  15. {
  16. 	/* Declaracao de Variaveis e atribuicao de valores  */
  17. 	int vet[] = {3, 4, 5, 6, 7, 8, 9};
  18. 	int x = 0;
  19.  
  20. 	printf("===========================================\n");
  21. 	printf(" Passagem por referencia x por valor       \n");
  22. 	printf("===========================================\n");
  23. 	printf("\n");
  24.  
  25.  
  26. 	printf("Antes de chamar funcao \"altera\":\n");
  27. 	printf("vet[0] = %d\n", vet[0]);
  28. 	printf("x      = %d\n", x);
  29. 	printf("\n");
  30.  
  31. 	altera(vet, x);
  32.  
  33. 	printf("Depois de chamar funcao \"altera\":\n");
  34. 	printf("vet[0] = %d\n", vet[0]);
  35. 	printf("x      = %d", x);
  36.  
  37. 	/* Pausa na execucao do programa */
  38. 	printf("\n\n");
  39. 	getchar();
  40.  
  41. 	return 0;
  42. }
  43.  
Success #stdin #stdout 0s 5400KB
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stdin
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Standard input is empty
stdout
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===========================================
 Passagem por referencia x por valor       
===========================================

Antes de chamar funcao "altera":
vet[0] = 3
x      = 0

Depois de chamar funcao "altera":
vet[0] = -55
x      = 0
https://ideone.com/5LmOnm
language:
C (gcc 8.3)
created:
1 year ago
visibility:
public

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