git: libc: Add malloc_usable_size(3) support.

[Antonio Huete Jimenez]

commit d780b39f859375ad6d9a75e102b2dcb742d1b7b4
Author: Antonio Huete Jimenez <tuxillo at quantumachine.net>
Date:   Mon Jun 6 00:34:05 2022 +0200

    libc: Add malloc_usable_size(3) support.
    
    Submitted-by: @dillon

Summary of changes:
 include/Makefile                              |  8 +--
 usr.bin/gcore/extern.h => include/malloc_np.h | 15 +++---
 lib/libc/stdlib/Symbol.map                    |  5 ++
 lib/libc/stdlib/nmalloc.c                     | 70 +++++++++++++++++++++++++--
 4 files changed, 85 insertions(+), 13 deletions(-)
 copy usr.bin/gcore/extern.h => include/malloc_np.h (87%)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/d780b39f859375ad6d9a75e102b2dcb742d1b7b4


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