c-knr-exercises/ch01/ex20-detab.c, branch main Implementations of the exercises from The C Programming Language (Second Edition). https://git.zhineng.li/c-knr-exercises/atom?h=main 2026-05-29T01:14:45Z ch01-20: replaces tabs with proper spaces 2026-05-29T01:14:45Z Zhineng Li im@zhineng.li 2026-05-29T01:14:45Z urn:sha1:3cbdab1805a49e3529c3b90932c11208578dd2cc