1 #ifndef SEEK_H

     2 #define SEEK_H

     3 

     4 typedef unsigned long seek_pos;

     5 

     6 extern seek_pos seek_cur(int);

     7 

     8 extern int seek_set(int,seek_pos);

     9 extern int seek_end(int);

    10 

    11 extern int seek_trunc(int,seek_pos);

    12 

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

    14 

    15 #endif