#define UP_fileno (*(int (*)(void *))OPENSSL_UplinkTable[APPLINK_FILENO])
#define UP_open (*(int (*)(const char *,int,...))OPENSSL_UplinkTable[APPLINK_OPEN])
-#define UP_read (*(ssize_t (*)(int,void *,size_t))OPENSSL_UplinkTable[APPLINK_READ])
-#define UP_write (*(ssize_t (*)(int,const void *,size_t))OPENSSL_UplinkTable[APPLINK_WRITE])
+#define UP_read (*(ossl_ssize_t (*)(int,void *,size_t))OPENSSL_UplinkTable[APPLINK_READ])
+#define UP_write (*(ossl_ssize_t (*)(int,const void *,size_t))OPENSSL_UplinkTable[APPLINK_WRITE])
#define UP_lseek (*(long (*)(int,long,int))OPENSSL_UplinkTable[APPLINK_LSEEK])
#define UP_close (*(int (*)(int))OPENSSL_UplinkTable[APPLINK_CLOSE])