[code] #include ; int main() { char *c = "jetrix"; char *d = NULL; char e[10]= "chan"; d = (void *) malloc(1); sprintf(d,"%s%s%s%s%s%s%d%d",c,e,c,e,c,e,10,1000); c = "chan"; puts(d); free((char *)d); } [/code] 这段代码在FreeBSD和Linux里都能运行,各位解释一下.

我用VMWARE安装了一个unixware 7.1.1 通过ftp访问本机地ftp服务器，发现速度很慢，不是一般地慢。 为什么？ 那位大侠可以解释一下，怎么办？？？？

[root@localhost /]# mount /dev/cdrom /mnt/cdrom /dev/cdrom: 输入/输出错误 mount: block device /dev/cdrom is write-protected, mounting read-only /dev/cdrom: 输入/输出错误 mount: you must specify the filesystem type [root@localhost /]# mount -o iocharsetr=cp950 /dev/cdrom /mnt/cdrom /dev/cdrom: 输入/输出错误 mount: block device /dev/cdrom is write-protected, mounting read-only /dev/cdrom: 输入/输出错...