now uses signal holding facility to avoid losing signals when they must be

[unix-history] / usr / src / usr.bin / mail / head.c

diff --git a/usr/src/usr.bin/mail/head.c b/usr/src/usr.bin/mail/head.c
index bb7922c..bb6978a 100644 (file)
--- a/usr/src/usr.bin/mail/head.c
+++ b/usr/src/usr.bin/mail/head.c
@@ -8,7 +8,7 @@
  * Routines for processing and detecting headlines.
  */
 
  * Routines for processing and detecting headlines.
  */
 

-static char *SccsId = "@(#)head.c      1.1 %G%";
+static char *SccsId = "@(#)head.c      1.2 %G%";

 
 /*
  * See if the passed line buffer is a mail header.
 
 /*
  * See if the passed line buffer is a mail header.


@@ -139,6 +139,28 @@ isname(as1, as2, acount)
        return(1);
 }
 
        return(1);
 }
 

+/*
+ * See if the two passed strings agree in the first n characters.
+ * Return true if they do, ignoring case.
+ */
+
+icisname(as1, as2, acount)
+       char *as1, *as2;
+{
+       register char *s1, *s2;
+       register count;
+
+       s1 = as1;
+       s2 = as2;
+       count = acount;
+       if (count > 0)
+               do
+                       if (raise(*s1++) != raise(*s2++))
+                               return(0);
+               while (--count);
+       return(1);
+}
+

 /*
  * Test to see if the passed string is a ctime(3) generated
  * date string as documented in the manual.  The template
 /*
  * Test to see if the passed string is a ctime(3) generated
  * date string as documented in the manual.  The template