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#define _MY(name) #name,&name typedef struct { char *name; void *addr; } BI; main() { static int a = 20; static BI params [] = { _MY (a), } ; } 大侠，如上面的程序，请问， 1,#define _MY(name) #name,&name 这个定义怎么解释？ 2,我如何打印出params的第二个值呢？ 万分感谢。
今天在SunOS上用man查了一下shm_open.下面这段话不太理解,是说name的命名规则 The name argument conforms to the construction rules for a pathname. The first character of name must be a slash (/) character and the remaining characters of name cannot include any slash characters. For maximum portability, name should include no more than 14 characters, but this limit is ...
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]# vi /var/log/maillog 经常有如下日志，过一会又正常了。怎么回事啊。请指点一下。谢谢了 Host or domain name not found. name service error for name=153.com type=MX: Host not found, try again) Jul 27 04:16:41 mail postfix/smtp[31964]: 1528F2B209EA: to=<[email]guoshuia8886@1630.com[/email]>, relay=none, delay=92951, delays=92931/0.01/20/0, dsn=4.4.3, status=deferred (Host or domain name not found. Na...
1 typedef struct A_T 2{ 3 int a; 4}*A; 5 6 typedef struct B_T 7{ 8 int b; 9 A aa; 10 }*B; 编译时第9行出错:"A" does not name a type. 编译环境：arm-linux-g++ 3.4.6 这是怎么一回事呢？
