Add build system scaffolding and libc headers

1 files changed, 7 insertions, 0 deletions

diff --git a/lib/libc/stdio/vsprintf.c b/lib/libc/stdio/vsprintf.c
new file mode 100644
index 00000000..eec52313
--- /dev/null
+++ b/lib/libc/stdio/vsprintf.c
@@ -0,0 +1,7 @@
+#include <stdarg.h>
+#include <stdio.h>
+
+int vsprintf(char *restrict s, const char *restrict format, va_list ap)
+{
+	return vsnprintf(s, (size_t)-1, format, ap);
+}