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_lread or ReadFile?

Started by Mardigin Jan 11, 2002 at 10:56 PM 3 replies 1.9k views

Original Post

Jan 11, 2002 at 10:56 PM

I have heard that ReadFile is better to use the _lread. Why is this? Are there any probmlems that may arrise if I use _lread? What are the advantages or disadvantages?

milou212

Jan 11, 2002 at 11:11 PM

If I remember correctly, _lread calls ReadFile in the end. The ReadFile WriteFile CreateFile... functions are the native ones.

Martee

126

Martee

Jan 11, 2002 at 11:16 PM

Well, in the end, all file handling functions call NtReadFile(), NtWriteFile(), and the other executive functions. So it probably doesn''t matter too much, except for a bit of indirection.

Mardigin

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Mardigin

Jan 11, 2002 at 11:43 PM

_lread is to ReadFile as _lseek is to?

milou212

Jan 12, 2002 at 1:00 AM

_lread is to ReadFile as _lseek is to SetFilePointer

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