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heronyang/file.h

Created August 3, 2019 21:02
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file.h
// The UNIX operating system requires that every IO device driver provide five
// standard functions: open, close, read, write, seek.
struct FILE {
void (*open)(char *name, int mode);
void (*close)();
int (*read)();
void (*write)(char);
void (*seek)(long index, int mode);
}
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