add: minilibc to the examples

examples/minilibc/strcasecmp.pasm

@@ -0,0 +1,44 @@
+; strcasecmp 
+
+set str1 "hello, world !\0"
+set str2 "hello, world !\0"
+
+end_:
+mov eax, 0
+end
+
+fail:
+mov eax, a4
+sub eax, a5
+end
+
+main:
+mov a1, str1 
+mov a2, str2
+mov a3, 0
+
+loop:
+cmp (char)*a1, 0
+jne 2
+cmp (char)*a2, 0
+je end_
+
+mov a4, (char)*a1
+cmp a4, 64
+jna 2
+cmp a4, 90
+ja 2
+add a4, 32
+
+mov a5, (char)*a2
+cmp a5, 64
+jna 2
+cmp a5, 90
+ja 2
+add a5, 32
+
+cmp a4, a5
+jne fail 
+add a1, 1
+add a2, 1
+jmp loop