+/*
+ * See if the given header field is supposed to be ignored.
+ */
+isign(field)
+ char *field;
+{
+ char realfld[BUFSIZ];
+ register int h;
+ register struct ignore *igp;
+
+ istrcpy(realfld, field);
+ h = hash(realfld);
+ for (igp = ignore[h]; igp != 0; igp = igp->i_link)
+ if (strcmp(igp->i_field, realfld) == 0)
+ return(1);
+ return(0);
+}