feat(llgo/c):Add an INI parser (#466)

* feat(llgo/c):Add an INI parser

c/inih/inih.go

@@ -0,0 +1,24 @@
+package inih
+
+/*
+#include <stdio.h>
+#include <stdlib.h>
+*/
+import (
+	_ "unsafe"
+
+	"github.com/goplus/llgo/c"
+)
+
+const (
+	LLGoPackage = "link: $(pkg-config --libs inih); -linih"
+)
+
+//go:linkname Parse C.ini_parse
+func Parse(filename *c.Char, handler func(user c.Pointer, section *c.Char, name *c.Char, value *c.Char) c.Int, user c.Pointer) c.Int
+
+//go:linkname ParseFile C.ini_parse_file
+func ParseFile(file c.FilePtr, handler func(user c.Pointer, section *c.Char, name *c.Char, value *c.Char) c.Int, user c.Pointer) c.Int
+
+//go:linkname ParseString C.ini_parse_string
+func ParseString(str *c.Char, handler func(user c.Pointer, section *c.Char, name *c.Char, value *c.Char) c.Int, user c.Pointer) c.Int