add: minilibc to the examples

examples/minilibc/memset.pasm

@@ -0,0 +1,34 @@
+; memset
+
+end_:
+push a1
+call free
+mov eax, 0
+end
+
+memset:
+; a1 -> buffer
+; a2 -> size
+; a3 -> value
+
+sub a2, 1
+mov a5, 0
+mov a4, a1
+
+loop:
+cmp a5, a2
+je end_
+mov (char)*a4, (char)a3
+add a4, 1
+add a5, 1
+jmp loop
+
+main:
+mov a2, 10
+mov a3, 97 ; 'a'
+
+push a2
+call malloc
+mov a1, eax ;save the ptr
+
+jmp memset