2745 static int aligned_vread(char *buf, char *addr, unsigned long count)  in aligned_vread()  argument
2771 			memcpy(buf, map + offset, length);  in aligned_vread()
2774 			memset(buf, 0, length);  in aligned_vread()
2777 		buf += length;  in aligned_vread()
2784 static int aligned_vwrite(char *buf, char *addr, unsigned long count)  in aligned_vwrite()  argument
2810 			memcpy(map + offset, buf, length);  in aligned_vwrite()
2814 		buf += length;  in aligned_vwrite()
2845 long vread(char *buf, char *addr, unsigned long count)  in vread()  argument
2849 	char *vaddr, *buf_start = buf;  in vread()
2872 			*buf = '\0';  in vread()
2873 			buf++;  in vread()
2881 			aligned_vread(buf, addr, n);  in vread()
2883 			memset(buf, 0, n);  in vread()
2884 		buf += n;  in vread()
2891 	if (buf == buf_start)  in vread()
2894 	if (buf != buf_start + buflen)  in vread()
2895 		memset(buf, 0, buflen - (buf - buf_start));  in vread()
2924 long vwrite(char *buf, char *addr, unsigned long count)  in vwrite()  argument
2952 			buf++;  in vwrite()
2960 			aligned_vwrite(buf, addr, n);  in vwrite()
2963 		buf += n;  in vwrite()