step1、install ndk-pkg

step2、update ndk-pkg-formula-repository

ndk-pkg update

step3、build and install utf8.h

ndk-pkg install utf8.h

ndk-pkg formula view utf8.h

{{ formula }}

if the formula of utf8.h dosn't meet your needs, you can edit it ⤵︎

ndk-pkg formula edit utf8.h

after editing, you may want to rebuild this package ⤵︎

ndk-pkg install utf8.h