-add (char *s1, char *s2)
-{
- register char *p;
-
- if (!s2)
- return getcpy (s1);
-
- p = mh_xmalloc ((size_t) (strlen (s1) + strlen (s2) + 2));
- sprintf (p, "%s%s", s2, s1);
- free (s2);
- return p;
-}
-
-int
-isfrom(char *string)
-{
- return (strncmp (string, "From ", 5) == 0
- || strncmp (string, ">From ", 6) == 0);
-}
-
-
-int
-lequal (char *a, char *b)
-{
- for (; *a; a++, b++)
- if (*b == 0)
- return FALSE;
- else {
- char c1 = islower (*a) ? toupper (*a) : *a;
- char c2 = islower (*b) ? toupper (*b) : *b;
- if (c1 != c2)
- return FALSE;
- }
-
- return (*b == 0);
-}
-
-
-/*
- * seekadrx() is tricky. We want to cover both UUCP-style and ARPA-style
- * addresses, so for each list of addresses we see if we can find some
- * character to give us a hint.
- */
-
-
-#define CHKADR 0 /* undertermined address style */
-#define UNIXDR 1 /* UNIX-style address */
-#define ARPADR 2 /* ARPAnet-style address */
-
-
-static char *punctuators = ";<>.()[]";
-static char *vp = NULL;
-static char *tp = NULL;
-
-static struct adrx adrxs1;
-
-
-struct adrx *
-seekadrx (char *addrs)
-{
- static int state = CHKADR;
- register char *cp;
- register struct adrx *adrxp;
-
- if (state == CHKADR)
- for (state = UNIXDR, cp = addrs; *cp; cp++)
- if (strchr(punctuators, *cp)) {
- state = ARPADR;
- break;
- }
-
- switch (state) {
- case UNIXDR:
- adrxp = uucpadrx (addrs);
- break;
-
- case ARPADR:
- default:
- adrxp = getadrx (addrs);
- break;
- }
-
- if (adrxp == NULL)
- state = CHKADR;
-
- return adrxp;
-}
-
-
-/*
- * uucpadrx() implements a partial UUCP-style address parser. It's based
- * on the UUCP notion that addresses are separated by spaces or commas.
- */
-
-
-struct adrx *
-uucpadrx (char *addrs)