[gnu.gcc.bug] prob w/ incomplete struct pointer in prototype

gmt@ARIZONA.EDU ("Gregg Townsend") (11/16/88)

/*  "gcc -c xx.c" gets:
 *
 *  xx.c: In function alcfhead:
 *  xx.c:16: argument `blink' doesn't match function prototype
 *
 *  This is gcc 1.30 on either a Vax 8650 (Mt Xinu 4.3 BSD) or Sun 3/140
 *  (SunOS 4.0).
 */

void alcfhead (struct fentry *blink);

struct fentry { int x; };

void alcfhead(blink)
struct fentry *blink;
   {
   }