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Added strncasecmp

--- a/src/misc.c

+++ b/src/misc.c

@@ -393,6 +393,18 @@

     }

     return ((*(unsigned char *)s1 < *(unsigned char *)s2) ? -1 : +1);

 }

+

+int strncasecmp(char const * s1, char const * s2, size_t n)

+{

+  for (; n != 0; --n, ++s1, ++s2)

+  {

+    if (toupper(*s1) != toupper(*s2))

+      return toupper(*s1) - toupper(*s2);

+    if (*s1 == '\0')

+      return 0;

+  }

+  return 0;

+}

 #endif

 #ifndef HAVE_STRDUP