1 #ifndef SEEK_H
2 #define SEEK_H
3 #include <unistd.h>	/* for lseek() */
4 
5 typedef unsigned long seek_pos;
6 
7 extern seek_pos seek_cur(int);
8 
9 extern int seek_set(int,seek_pos);
10 extern int seek_end(int);
11 
12 extern int seek_trunc(int,seek_pos);
13 
14 #define seek_begin(fd) (seek_set((fd),(seek_pos) 0))
15 
16 #endif
17