编译错误syntax error : missing ';' before 'type'

本文探讨了在C++编程中使用VC++6.0工具时,for循环语法中将变量定义提前的问题及解决方法。通过实例演示了正确的for循环语法,并对比了不同编程环境下语法的灵活性。

使用的是VC++ 6.0工具,使用语言是C, 

代码出现错误:for(int l=begin;l<=end;l++),这里将int l定义到前面即可,也就是

int l;

for(l=begin;l<=end;l++) 这样就行额,如果是C++的话则无所谓了!

missing type specifier - int assumed. Note: C++ does not support default-int missing type specifier - int assumed. Note: C++ does not support default-int missing type specifier - int assumed. Note: C++ does not support default-int syntax error: missing ';' before '}' missing type specifier - int assumed. Note: C++ does not support default-int missing type specifier - int assumed. Note: C++ does not support default-int missing type specifier - int assumed. Note: C++ does not support default-int missing type specifier - int assumed. Note: C++ does not support default-int missing type specifier - int assumed. Note: C++ does not support default-int syntax error: missing ';' before '}' missing type specifier - int assumed. Note: C++ does not support default-int syntax error: '}' missing type specifier - int assumed. Note: C++ does not support default-int 'int None': redefinition missing type specifier - int assumed. Note: C++ does not support default-int missing type specifier - int assumed. Note: C++ does not support default-int missing type specifier - int assumed. Note: C++ does not support default-int syntax error: missing ';' before '}' missing type specifier - int assumed. Note: C++ does not support default-int syntax error: '}' syntax error: 'public' missing type specifier - int assumed. Note: C++ does not support default-int syntax error: missing ';' before identifier 'Show' syntax error: 'const' missing type specifier - int assumed. Note: C++ does not support default-int 'int DialogResult': redefinition syntax error: missing ';' before identifier 'Show' syntax error: 'const' missing type specifier - int assumed. Note: C++ does not support default-int 'int DialogResult': redefinition syntax error: missing ';' before identifier 'Show' syntax error: 'const' syntax error: 'private' 'MessageBoxButtons': undeclared identifier syntax error: missing ')' before identifier 'buttons' 'MessageBoxIcon': undeclared identifier syntax error: missing ')' before identifier 'icon' missing type specifier - int assumed. Note: C++ does not support default-int 'int DialogResult': redefinition syntax error: missing ';' before identifier 'ConvertResult' type 'int' unexpected syntax error: '}' syntax error: missing ';' before '}' syntax error: '}' syntax error: missing ';' before '}' The file contains a character that cannot be represented in the current code page (936). Save the file in Unicode format to prevent data loss missing type specifier - int assumed. Note: C++ does not support default-int missing type specifier - int assumed. Note: C++ does not support default-int missing type specifier - int assumed. Note: C++ does not support default-int syntax error: missing ';' before '}' missing type specifier - int assumed. Note: C++ does not support default-int missing type specifier - int assumed. Note: C++ does not support default-int missing type specifier - int assumed. Note: C++ does not support default-int missing type specifier - int assumed. Note: C++ does not support default-int missing type specifier - int assumed. Note: C++ does not support default-int syntax error: missing ';' before '}' missing type specifier - int assumed. Note: C++ does not support default-int syntax error: '}' missing type specifier - int assumed. Note: C++ does not support default-int 'int None': redefinition missing type specifier - int assumed. Note: C++ does not support default-int missing type specifier - int assumed. Note: C++ does not support default-int missing type specifier - int assumed. Note: C++ does not support default-int syntax error: missing ';' before '}' missing type specifier - int assumed. Note: C++ does not support default-int syntax error: '}' syntax error: 'public' missing type specifier - int assumed. Note: C++ does not support default-int syntax error: missing ';' before identifier 'Show' syntax error: 'const' missing type specifier - int assumed. Note: C++ does not support default-int 'int DialogResult': redefinition syntax error: missing ';' before identifier 'Show' syntax error: 'const' missing type specifier - int assumed. Note: C++ does not support default-int 'int DialogResult': redefinition syntax error: missing ';' before identifier 'Show' syntax error: 'const' syntax error: 'private' 'MessageBoxButtons': undeclared identifier syntax error: missing ')' before identifier 'buttons' 'MessageBoxIcon': undeclared identifier syntax error: missing ')' before identifier 'icon' missing type specifier - int assumed. Note: C++ does not support default-int 'int DialogResult': redefinition syntax error: missing ';' before identifier 'ConvertResult' type 'int' unexpected syntax error: '}' syntax error: missing ';' before '}' syntax error: '}' syntax error: missing ';' before '}'
09-29
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