-"------ The body of the message is %d characters long; only the first\n"
-"------ %d or so are included here.\n\n", size, (max/1000)*1000);
+"------ The body of the message is " OFF_T_FMT " characters long; only the first\n"
+"------ %d or so are included here.\n\n", statbuf.st_size,
+ (max/1000)*1000);