可以帮忙看下到底是哪些错误吗？求帮忙 谢谢!
hello.c: In function 'main':
hello.c:5:5: error: expected declaration specifiers before 'return'
return 0;
^~~~~~
hello.c:6:1: error: expected declaration specifiers before '}' token
}
^
hello.c:6:1: error: expected '{' at end of input
