69 static off_t histfsize;  variable
546 		histfsize = 0;  in sethistfile()
795 	histfsize = lseek(histfd, (off_t)0, SEEK_END);  in hist_persist_init()
796 	if (histfsize > MKSH_MAXHISTFSIZE) {  in hist_persist_init()
799 	} else if (histfsize > 2) {  in hist_persist_init()
801 		base = (void *)mmap(NULL, (size_t)histfsize, PROT_READ,  in hist_persist_init()
806 			munmap(caddr_cast(base), (size_t)histfsize);  in hist_persist_init()
810 		lines = histload(hist_source, base + 2, (size_t)histfsize - 2);  in hist_persist_init()
811 		munmap(caddr_cast(base), (size_t)histfsize);  in hist_persist_init()
859 	} else if (histfsize != 0) {  in hist_persist_init()
872 		histfsize = 0;  in hist_persist_init()
882 	if ((histfsize = lseek(histfd, (off_t)0, SEEK_END)) < 0)  in hist_persist_init()
968 	else if (sizenow < histfsize) {  in writehistfile()
978 		sizenow > histfsize  in writehistfile()
981 		bytes = (size_t)(sizenow - histfsize);  in writehistfile()
986 		news = base + (size_t)histfsize;  in writehistfile()
1003 	if ((histfsize = lseek(histfd, (off_t)0, SEEK_END)) < 0)  in writehistfile()