PROC_SELF_FD_FORMAT   65 lib/openat-proc.c         = (sizeof PROC_SELF_FD_FORMAT - (sizeof "%d" - 1)
PROC_SELF_FD_FORMAT   93 lib/openat-proc.c             sprintf (dotdot_buf, PROC_SELF_FD_FORMAT "../fd", proc_self_fd);
PROC_SELF_FD_FORMAT  111 lib/openat-proc.c         dirlen = sprintf (result, PROC_SELF_FD_FORMAT, fd);