Initial revision
diff --git a/include/fmt.h b/include/fmt.h
new file mode 100644
index 0000000..c913e14
--- /dev/null
+++ b/include/fmt.h
@@ -0,0 +1,100 @@
+
+/*
+ * The authors of this software are Rob Pike and Ken Thompson.
+ * Copyright (c) 2002 by Lucent Technologies.
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose without fee is hereby granted, provided that this entire notice
+ * is included in all copies of any software which is or includes a copy
+ * or modification of this software and in all copies of the supporting
+ * documentation for such software.
+ * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
+ * WARRANTY. IN PARTICULAR, NEITHER THE AUTHORS NOR LUCENT TECHNOLOGIES MAKE ANY
+ * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY
+ * OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
+ */
+
+#ifndef _FMTH_
+#define _FMTH_ 1
+
+#include <stdarg.h>
+
+#ifndef _UTFH_
+#include <utf.h>
+#endif
+
+typedef struct Fmt Fmt;
+struct Fmt{
+ unsigned char runes; /* output buffer is runes or chars? */
+ void *start; /* of buffer */
+ void *to; /* current place in the buffer */
+ void *stop; /* end of the buffer; overwritten if flush fails */
+ int (*flush)(Fmt *); /* called when to == stop */
+ void *farg; /* to make flush a closure */
+ int nfmt; /* num chars formatted so far */
+ va_list args; /* args passed to dofmt */
+ int r; /* % format Rune */
+ int width;
+ int prec;
+ unsigned long flags;
+};
+
+enum{
+ FmtWidth = 1,
+ FmtLeft = FmtWidth << 1,
+ FmtPrec = FmtLeft << 1,
+ FmtSharp = FmtPrec << 1,
+ FmtSpace = FmtSharp << 1,
+ FmtSign = FmtSpace << 1,
+ FmtZero = FmtSign << 1,
+ FmtUnsigned = FmtZero << 1,
+ FmtShort = FmtUnsigned << 1,
+ FmtLong = FmtShort << 1,
+ FmtVLong = FmtLong << 1,
+ FmtComma = FmtVLong << 1,
+ FmtByte = FmtComma << 1,
+ FmtLDouble = FmtByte << 1,
+
+ FmtFlag = FmtLDouble << 1
+};
+
+extern int print(char*, ...);
+extern char* seprint(char*, char*, char*, ...);
+extern char* vseprint(char*, char*, char*, va_list);
+extern int snprint(char*, int, char*, ...);
+extern int vsnprint(char*, int, char*, va_list);
+extern char* smprint(char*, ...);
+extern char* vsmprint(char*, va_list);
+extern int sprint(char*, char*, ...);
+extern int fprint(int, char*, ...);
+extern int vfprint(int, char*, va_list);
+
+extern int runesprint(Rune*, char*, ...);
+extern int runesnprint(Rune*, int, char*, ...);
+extern int runevsnprint(Rune*, int, char*, va_list);
+extern Rune* runeseprint(Rune*, Rune*, char*, ...);
+extern Rune* runevseprint(Rune*, Rune*, char*, va_list);
+extern Rune* runesmprint(char*, ...);
+extern Rune* runevsmprint(char*, va_list);
+
+extern int fmtfdinit(Fmt*, int, char*, int);
+extern int fmtfdflush(Fmt*);
+extern int fmtstrinit(Fmt*);
+extern char* fmtstrflush(Fmt*);
+extern int runefmtstrinit(Fmt*);
+
+extern int quotestrfmt(Fmt *f);
+extern void quotefmtinstall(void);
+extern int (*fmtdoquote)(int);
+
+
+extern int fmtinstall(int, int (*)(Fmt*));
+extern int dofmt(Fmt*, char*);
+extern int fmtprint(Fmt*, char*, ...);
+extern int fmtvprint(Fmt*, char*, va_list);
+extern int fmtrune(Fmt*, int);
+extern int fmtstrcpy(Fmt*, char*);
+
+extern double fmtstrtod(const char *, char **);
+extern double fmtcharstod(int(*)(void*), void*);
+
+#endif
