File: seek.h

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#ifndef SEEK_H
#define SEEK_H

#include <unistd.h>

typedef unsigned long seek_pos;

extern seek_pos seek_cur();

extern int seek_set(int, seek_pos);
extern int seek_end();

extern int seek_trunc();

#define seek_begin(fd) (seek_set((fd),(seek_pos) 0))

#endif