只说关键的吧：
　　有这么一条语句：char *bname[]={"Programming in ANSI C,""BASIC","Visual C++ 6.0 Programming","TURBO C 2.0"};
int m;
m=sizeof(bname)/sizeof(char *);　
请问m表示什么，这条语句是如何实现的．
　　谢谢大家来帮忙看看