git: kprintf.9: Document the return value of ksnprintf()/kvsnprintf()

[Aaron LI]

commit f56704fe49a69a83abcd8a11a31480b56365c7b8
Author: Aaron LI <aly at aaronly.me>
Date:   Sun Aug 2 11:19:20 2026 +0800

    kprintf.9: Document the return value of ksnprintf()/kvsnprintf()

Summary of changes:
 share/man/man9/kprintf.9 | 19 +++++++++++++++----
 1 file changed, 15 insertions(+), 4 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/f56704fe49a69a83abcd8a11a31480b56365c7b8


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