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  1. #include <stdio.h>
  2.  
  3. int main() {
  4.  
  5.     int a = 10;
  6.     float f = 3.5;
  7.     char c = 'A';
  8.  
  9.     int *p1 = &a;
  10.     float *p2 = &f;
  11.     char *p3 = &c;
  12.  
  13.     printf("Initial Addresses:\n");
  14.     printf("p1 (int)  = %p\n", p1);
  15.     printf("p2 (float)= %p\n", p2);
  16.     printf("p3 (char) = %p\n\n", p3);
  17.     p1++;
  18.     p2++;
  19.     p3++;
  20. 	 printf("After Increment (++):\n");
  21.     printf("p1 = %p (int +4 bytes)\n", p1);
  22.     printf("p2 = %p (float +4 bytes)\n", p2);
  23.     printf("p3 = %p (char +1 byte)\n\n", p3);
  24.     p1--;
  25.     p2--;
  26.     p3--;
  27. 	 printf("After Decrement (--):\n");
  28.     printf("p1 = %p (int -4 bytes)\n", p1);
  29.     printf("p2 = %p (float -4 bytes)\n", p2);
  30.     printf("p3 = %p (char -1 byte)\n", p3);
  31.  
  32.     return 0;
  33. }
  34.  
Success #stdin #stdout 0s 5324KB
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stdin
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Standard input is empty
stdout
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Initial Addresses:
p1 (int)  = 0x7ffd78844cf0
p2 (float)= 0x7ffd78844cf4
p3 (char) = 0x7ffd78844cef

After Increment (++):
p1 = 0x7ffd78844cf4 (int +4 bytes)
p2 = 0x7ffd78844cf8 (float +4 bytes)
p3 = 0x7ffd78844cf0 (char +1 byte)

After Decrement (--):
p1 = 0x7ffd78844cf0 (int -4 bytes)
p2 = 0x7ffd78844cf4 (float -4 bytes)
p3 = 0x7ffd78844cef (char -1 byte)
https://ideone.com/0nzGFD
language:
C (gcc 8.3)
created:
9 days ago
visibility:
public

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