Which one is the correct answer? A: It’s 30 dollars. B: It’ssize 10. C: It’s blue. D: It’s on the third floor.

6.10open函数的原型函数为说明 A: intopen(constchar*pathname,flags,intperms) B: ssize_topen(intfd,void*buf,size_tcount) C: FILE*open(constchar*path,constchar*mode) D: off_topen(intfd,off_toffset,intwhence)