Added a bunch of stuff

Some libc slash libk todos

@@ -0,0 +1,120 @@
+/* NB: This list is ordered. i.e. cat needs stuff from asa to work! */
+
+For sh
+======
+
+stdio.h
+*******
+fgets()
+
+stdlib.h
+********
+exit()
+free()
+calloc()
+
+unistd.h
+********
+chdir()
+fork()
+execvp()
+getcwd()
+
+sys/wait.h
+**********
+waitpid()
+
+signal.h
+********
+signal()
+SIG_DFL
+SIG_IGN
+
+For asa
+=======
+
+stdio.h
+*******
+fprintf()
+fgetc()
+fopen()
+fclose()
+
+For cal
+=======
+
+stdio.h
+*******
+fileno()
+
+unistd.h
+********
+isatty()
+
+For cat
+=======
+
+unistd.h
+********
+write()
+
+For cksum
+=========
+
+stdio.h
+*******
+fseek()
+SEEK_SET
+
+For expand
+==========
+
+stdlib.h
+********
+malloc() (if not already implemented for calloc)
+
+For link
+========
+
+unistd.h
+********
+link()
+
+For ln
+======
+
+unistd.h
+********
+access()
+unlink()
+symlink()
+
+fcntl.h
+*******
+AT_SYMLINK_FOLLOW
+linkat()
+AT_FDCWD
+
+sys/stat.h
+**********
+struct stat
+lstat()
+S_ISLNK
+
+string.h
+********
+strcpy()
+
+For pwd
+=======
+
+stdlib.h
+********
+getenv();
+
+For tty
+=======
+
+unistd.h
+********
+ttyname()