--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/printf.h	Wed Dec 03 03:04:39 2025 -0500
@@ -0,0 +1,73 @@
+/**
+ * "Portable" printf implementation, with some extras.
+ *
+ * Copyright (c) Paper 2025
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+ * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+ * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+ * OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ *
+ * NOTE: Floating point support is very scuffed, and doesn't
+ * work for many numbers. It also depends on math.h. If you don't
+ * care or don't want floating point support, toggle the #define
+ * to disable it.
+ *
+ * EXTRA NOTE: You don't need malloc() if you turn off wide character
+ * support :)
+**/
+
+#ifndef MY_PRINTF_H_
+#define MY_PRINTF_H_
+
+#include <stdarg.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <limits.h>
+
+/* XXX maybe we shouldn't use int as a return type. */
+
+enum {
+	MY_ENOMEM = -1, /* Out of memory */
+	MY_EINVAL = -2, /* Invalid format string */
+	MY_EENCOD = -3, /* Invalid wide character */
+	MY_EOVERFLOW = -4, /* Return value overflows */
+};
+
+/* Get string representation of error */
+const char *my_strerror(int err);
+
+/* Free dynamically allocated memory */
+void my_free(void *x);
+
+/* ------ Actual printf stuff */
+
+/* put function spec */
+typedef void (*put_spec)(void *opaque, unsigned char c);
+
+/* iprintf: my invention. it's basically the function that actually
+ * implements everything :) */
+int my_viprintf(put_spec put, void *opaque, const char *format, va_list ap);
+int my_iprintf(put_spec put, void *opaque, const char *format, ...);
+
+/* Equivalent to C99 [v]snprintf */
+int my_vsnprintf(char *s, size_t n, const char *format, va_list ap);
+int my_snprintf(char *s, size_t n, const char *format, ...);
+
+/* Puts an allocated printf'd string into '*ps'. Use my_free to deallocate. */
+int my_vasprintf(char **ps, const char *format, va_list ap);
+int my_asprintf(char **ps, const char *format, ...);
+
+int my_vfprintf(FILE *f, const char *fmt, va_list ap);
+int my_fprintf(FILE *f, const char *fmt, ...);
+
+int my_vprintf(const char *fmt, va_list ap);
+int my_printf(const char *fmt, ...);
+
+#endif
\ No newline at end of file