Ucode project: recode the MacOS system's utility ls using C.
Designed to work with flags -ACGRSTacfghlmnortu1.
1. make
2 ./uls [-ACGRSTacfghlmnortu1] [filename]
- flags aAf influence on multicolum print;
- flags mtcu don't work properly on big amounts with multicolum print;
- whitespaces in filenames doesn't print as '?';
- time ./uls -Rl /Users/login = 15-20sec (time ls = 6-9sec)