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Fix typo about how pointers are declared

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Of course it is completely valid that star can go right after type
name, but it might be not that obvious that during declaration the
star is associated to the variable, not with the type name.
This commit is contained in:
Sergey Avseyev 2013-08-14 23:15:17 +03:00
parent 991e7b0045
commit 162b5bb60d
1 changed files with 5 additions and 2 deletions
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@ -230,10 +230,13 @@ printf("%p\n", &x); // Use & to retrieve the address of a variable
// (%p formats a pointer)
// => Prints some address in memory;
// Pointer types end with * in their declaration
int* px; // px is a pointer to an int
// Pointers start with * in their declaration
int *px, not_a_pointer; // px is a pointer to an int
px = &x; // Stores the address of x in px
printf("%p\n", px); // => Prints some address in memory
printf("%d, %d\n", (int)sizeof(px), (int)sizeof(not_a_pointer));
// => Prints "8, 4" on 64-bit system
// To retreive the value at the address a pointer is pointing to,
// put * in front to de-reference it.