c-knr-exercises/ch01/ex21-entab.c, branch main Implementations of the exercises from The C Programming Language (Second Edition). https://git.zhineng.li/c-knr-exercises/atom?h=main 2026-05-29T03:52:36Z ch01-21: replace blanks by proper tabs 2026-05-29T03:52:36Z Zhineng Li im@zhineng.li 2026-05-29T03:52:36Z urn:sha1:c80f4af866508cf2812ba030bf7abfb70d126b6e