134 uread(int const fd, void *const buf, size_t const count)  in uread()  argument
136 	size_t const n = read(fd, buf, count);  in uread()
137 	if (n != count) {  in uread()
145 uwrite(int const fd, void const *const buf, size_t const count)  in uwrite()  argument
147 	size_t cnt = count;  in uwrite()
152 	if (file_ptr + count >= file_end) {  in uwrite()
153 		off_t aoffset = (file_ptr + count) - file_end;  in uwrite()
167 			idx = aoffset - count;  in uwrite()
174 	if (cnt < count)  in uwrite()
175 		memcpy(file_append + idx, buf + cnt, count - cnt);  in uwrite()
177 	file_ptr += count;  in uwrite()
178 	return count;  in uwrite()