02-0题目顺利完成
More friendly input hints for user
First trial for LengthConverter:
Fetch the integral number by forcing float type converted to int.
header file for LenghtConverter.c
LengthConvernter function was included in main function
LengthConverter was officially included in Makefile
*.o file should be added into Makefile otherwise compiling in console would fail though Xcode compilation works.
Right input. Previous b is not real the inputs from user but some value in memory of computer.
02-1 puzzle was included in the main function’s usage()
长度转换程序完成