stdlib.h no such file or directory 4月 02, 2019 山姆 This problem should be the AVR-GCC library does not be installed correctly. The path of stdlib.h is at You can go to below link to get AVR-GCC built version http://blog.zakkemble.net/avr-gcc-builds/ 以電子郵件傳送這篇文章BlogThis!分享至 X分享至 Facebook Arduino