*** ./src/iri.c.ORIG	Tue Dec  9 00:04:08 2014
--- ./src/iri.c	Tue Dec  9 00:06:29 2014
***************
*** 46,51 ****
--- 46,74 ----
  
  /* Note: locale encoding is kept in options struct (opt.locale) */
  
+ #ifdef _AIX
+ char *
+ strcasestr (char *haystack, char *needle)
+ {
+         char *p, *startn = 0, *np = 0;
+ 
+         for (p = haystack; *p; p++) {
+                 if (np) {
+                         if (toupper(*p) == toupper(*np)) {
+                                 if (!*++np)
+                                         return startn;
+                         } else
+                                 np = 0;
+                 } else if (toupper(*p) == toupper(*needle)) {
+                         np = needle + 1;
+                         startn = p;
+                 }
+         }
+ 
+         return 0;
+ }
+ #endif
+ 
  /* Given a string containing "charset=XXX", return the encoding if found,
     or NULL otherwise */
  char *