Don't #include standard library headers unconditionally#1461

Draft

real-or-random wants to merge 6 commits intobitcoin-core:masterfrom real-or-random:202312-only-prealloc

+149-20

Commits on Dec 5, 2023

hash: Avoid including stdlib.h
real-or-random
committed

Commits on Dec 19, 2023

modinv: Avoid including stdlib.h
real-or-random
committed