/* This is file FILE.H */ #ifndef _FILE_H_ #define _FILE_H_ #include <fcntl.h> #ifndef L_SET # define L_SET 0 /* seek from beginning. */ # define L_CURR 1 /* seek from current position. */ # define L_INCR 1 /* ditto. */ # define L_XTND 2 /* seek from end. */ #endif #ifndef R_OK # define R_OK 4 /* test whether readable. */ # define W_OK 2 /* test whether writable. */ # define X_OK 1 /* test whether execubale. */ # define F_OK 0 /* test whether exist. */ #endif #endif