4.3.4.plg

《单片机C语言编程与实例》的代码

构造目标 'Target 1'
正在编绎 4.3.4.c... 
.\4.3.4.C(279): 警告 C206: 'key_int': missing function-prototype
连接中... 
*** WARNING L1: UNRESOLVED EXTERNAL SYMBOL
    SYMBOL:  KEY_INT
    MODULE:  4.3.4.obj (4_3_4)

*** WARNING L2: REFERENCE MADE TO UNRESOLVED EXTERNAL
    SYMBOL:  KEY_INT
    MODULE:  4.3.4.obj (4_3_4)
    ADDRESS: 0279H

"4.3.4" - 0 错误 (s), 3   警告 (s).