今天看到的诡异的C语言语法

langue

D:\>cl /W3 /AL /c C_syntax.c
Microsoft (R) C/C++ Optimizing Compiler Version 8.00c
Copyright (c) Microsoft Corp 1984-1993. All rights reserved.

c_syntax.c
c_syntax.c(3) : error C2059: syntax error : '['
c_syntax.c(8) : warning C4013: 'printf' undefined; assuming extern returning int


D:\>c:

C:\WINDDK\3790\bin\x86>cl /c "D:\C_syntax.c"
Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 13.10.2179 for 80x86
Copyright (C) Microsoft Corporation 1984-2002. All rights reserved.

C_syntax.c
D:\C_syntax.c(3) : error C2059: syntax error : '['

C:\WINDDK\3790\bin\x86>e:

E:\PSDK\bin\win64\x86\AMD64>cl /c "D:\C_syntax.c"
Microsoft (R) C/C++ Optimizing Compiler Version 14.00.40310.41 for AMD64
Copyright (C) Microsoft Corporation.  All rights reserved.

C_syntax.c
D:\C_syntax.c(3) : error C2059: syntax error : '['

E:\PSDK\bin\win64\x86\AMD64>


$ gcc -Wall -ansi -pedantic -Werror -c "/cygdrive/d/C_syntax.c"
/cygdrive/d/C_syntax.c: In function `main':
/cygdrive/d/C_syntax.c:3: warning: obsolete use of designated initializer without `='
/cygdrive/d/C_syntax.c:3: warning: obsolete use of designated initializer without `='
/cygdrive/d/C_syntax.c:3: warning: obsolete use of designated initializer without `='
/cygdrive/d/C_syntax.c:3: warning: obsolete use of designated initializer without `='
/cygdrive/d/C_syntax.c:8: warning: implicit declaration of function `printf'

$