是关于傻孩子菜单：
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这些数据如果定义在data区，调用DataSetFuc函数则不会出现*** WARNING L13: RECURSIVE CALL TO SEGMENT这个警告
但是因为89C52的内存有限所以定义在Code区。这不：
*** WARNING L13: RECURSIVE CALL TO SEGMENT
    SEGMENT: ?CO?MAIN
    CALLER:  ?PR?_DS1302TIMEREAD?MAIN
*** WARNING L13: RECURSIVE CALL TO SEGMENT
    SEGMENT: ?CO?MAIN
    CALLER:  ?PR?_LCD1602WRITESTRING?MAIN
*** WARNING L13: RECURSIVE CALL TO SEGMENT
    SEGMENT: ?CO?MAIN
    CALLER:  ?PR?TIMESETFUC?MAIN
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
    SEGMENT: ?PR?DS1302INITIAL?MAIN
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
    SEGMENT: ?PR?KEYBORDSCAN?MAIN
*** WARNING L16: UNCALLED SEGMENT, IGNORED FOR OVERLAY PROCESS
    SEGMENT: ?PR?TIMEDISPLAYFUC?MAIN
Program Size: data=9.2 xdata=50 code=6176
creating hex file from "CLockV1.2Project"...
"CLockV1.2Project" - 0 Error(s), 6 Warning(s).

3个递归调用的警告：

请问为什么，程序里并没有调用自己也没被中断调用的啊？该如何解决啊??