58 static struct stat sb;	/* Remember .st_size, etc. */  variable
81 		munmap(file_map, sb.st_size);  in mmap_cleanup()
99 		file_ptr = file_map + (sb.st_size - offset);  in ulseek()
184 	sb.st_size = 0;  in mmap_file()
191 	if (fstat(fd_map, &sb) < 0) {  in mmap_file()
195 	if (!S_ISREG(sb.st_mode)) {  in mmap_file()
199 	file_map = mmap(0, sb.st_size, PROT_READ|PROT_WRITE, MAP_PRIVATE,  in mmap_file()
203 		file_map = umalloc(sb.st_size);  in mmap_file()
208 		if (read(fd_map, file_map, sb.st_size) != sb.st_size) {  in mmap_file()
220 	file_end = file_map + sb.st_size;  in mmap_file()
344 	fd_map = open(tmp_file, O_WRONLY | O_TRUNC | O_CREAT, sb.st_mode);  in write_file()
349 	n = write(fd_map, file_map, sb.st_size);  in write_file()
350 	if (n != sb.st_size) {  in write_file()