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authorAdam Bard <github@adambard.com>2013-08-14 13:29:52 -0700
committerAdam Bard <github@adambard.com>2013-08-14 13:29:52 -0700
commitbc614fda28179f0b7eb98a9283cfc6721765b6cf (patch)
tree7004d9ddd2834b950ea8f234bc13a64d742ed8d0 /c.html.markdown
parent991e7b0045615427f5ccb12c3c85f262a2ac54e8 (diff)
parent162b5bb60dea93dac591005a73956be663313761 (diff)
Merge pull request #224 from avsej/master
Fix typo about how pointers are declared
Diffstat (limited to 'c.html.markdown')
-rw-r--r--c.html.markdown7
1 files changed, 5 insertions, 2 deletions
diff --git a/c.html.markdown b/c.html.markdown
index d243b19d..2b50efa0 100644
--- a/c.html.markdown
+++ b/c.html.markdown
@@ -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.