Programs which have to deal with C strings beyond the bare minimum that libc provides will generally have a set of routines for making it more ergonomic. e.g.:

Programs which have to deal with C strings beyond the bare minimum that libc provides will generally have a set of routines for making it more ergonomic. e.g.: https://github.com/git/git/blob/master/strbuf.h https://github.com/git/git/blob/master/strbuf.h