SEEK_CUR
# define SEEK_CUR L_INCR
# define SEEK_CUR 1
# define SEEK_CUR 1 /* Seek from current position. */
#define SEEK_CUR 1 /* set file offset to current plus offset */
#undef SEEK_CUR
#define SEEK_CUR 1
#define SEEK_CUR 1 /* set file offset to current plus offset */
# define SEEK_CUR 1 /* Seek from current position. */
#define SEEK_CUR 1 /* set file offset to current plus offset */
#define SEEK_CUR 1 /* set file offset to current plus offset */