The libft is a library of some functions from the C standard library and other utility functions that students at 42 use during the next projects.
$ git clone https://github.com/3lsy/libft.git
$ cd libft
$ make
$ make # compiles necessary c files
$ make all # same as make
$ make clean # cleans objects and dependency files
$ make fclean # make clean && removes library generated
$ make re # recompiles the library