Add optparse.h

1 files changed, 32 insertions, 0 deletions

diff --git a/include/optparse.h b/include/optparse.h
new file mode 100644
index 0000000..816b192
--- /dev/null
+++ b/include/optparse.h
@@ -0,0 +1,32 @@
+#ifndef MLIB_OPTPARSE_H
+#define MLIB_OPTPARSE_H
+
+#include <stddef.h>
+
+#include "__charN_t.h"
+#include "__rune.h"
+#include "__u8view.h"
+
+struct optparse {
+	int optind, subopt;
+	char errmsg[128];
+	char **argv;
+	struct u8view optarg;
+};
+
+enum op_argkind {
+	OPT_NONE,
+	OPT_OPT,
+	OPT_REQ,
+};
+
+struct op_option {
+	rune shortopt;
+	const char8_t *longopt;
+	enum op_argkind argtype;
+};
+
+rune optparse(struct optparse *, const struct op_option *, size_t);
+void optparse_init(struct optparse *, char **);
+
+#endif /* !MLIB_OPTPARSE_H */