manual: Correct guarantee about pointers compared by qsort()
commit98fe149e34b48d0c4d69105315cc7c61be8276ec
authorAnders Kaseorg <andersk@mit.edu>
Thu, 11 Dec 2014 10:33:22 +0000 (11 05:33 -0500)
committerOndřej Bílka <neleai@seznam.cz>
Sun, 21 Dec 2014 13:11:32 +0000 (21 14:11 +0100)
treeeac01d656ff527b54d875ff963a6014949884813
parentd12455f59679faee885809258ae4f10449b1f2cf
manual: Correct guarantee about pointers compared by qsort()

C99, C11, POSIX, and the glibc implementation do guarantee that the
pointers passed to the qsort comparison function lie within the array.

Signed-off-by: Anders Kaseorg <andersk@mit.edu>
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