用keil5打开一个已有的的项目,如图1,在打开main.c,在构建,就出现了如图二的情况,求教大佬
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*** Using Compiler 'V5.06 update 6 (build 750)', folder: 'G:\Keil_v5\ARM\ARMCC\Bin'
Build target 'LED'
compiling usart.c...
..\SYSTEM\usart\usart.c(47): error: #260-D: explicit type is missing ("int" assumed)
_sys_exit(int x)
..\SYSTEM\usart\usart.c: 0 warnings, 1 error
"..\OBJ\LED.axf" - 1 Error(s), 0 Warning(s).
Target not created.
Build Time Elapsed: 00:00:03 |
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