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.

6.9lseek函数的原型函数为说明 A: intlseek(constchar*pathname,flags,intperms) B: ssize_tlseek(intfd,void*buf,size_tcount) C: FILE*lseek(constchar*path,constchar*mode) D: off_tlseek(intfd,off_toffset,intwhence)