69 static off_t histfsize;  variable
569 		histfsize = 0;  in sethistfile()
776 	histfsize = lseek(histfd, (off_t)0, SEEK_END);  in hist_init()
777 	if (histfsize > MKSH_MAXHISTFSIZE || hs == hist_init_restore) {  in hist_init()
781 	} else if (histfsize > 2) {  in hist_init()
783 		base = (void *)mmap(NULL, (size_t)histfsize, PROT_READ,  in hist_init()
788 			munmap(caddr_cast(base), (size_t)histfsize);  in hist_init()
792 		lines = histload(hist_source, base + 2, (size_t)histfsize - 2);  in hist_init()
793 		munmap(caddr_cast(base), (size_t)histfsize);  in hist_init()
842 	} else if (histfsize != 0) {  in hist_init()
855 		histfsize = 0;  in hist_init()
864 	histfsize = lseek(histfd, (off_t)0, SEEK_END);  in hist_init()
932 	if (sizenow < histfsize) {  in writehistfile()
941 		sizenow > histfsize  in writehistfile()
944 		bytes = (size_t)(sizenow - histfsize);  in writehistfile()
949 		news = base + (size_t)histfsize;  in writehistfile()
966 	histfsize = lseek(histfd, (off_t)0, SEEK_END);  in writehistfile()