--- Gnu-Mach/kern/printf.h	2020/09/02 04:45:11	1.1
+++ Gnu-Mach/kern/printf.h	2020/09/02 04:47:24	1.1.1.2
@@ -40,6 +40,7 @@ extern void printnum (unsigned long u, i
                       vm_offset_t putc_arg);
 
 extern int sprintf (char *buf, const char *fmt, ...);
+extern int snprintf (char *buf, size_t size, const char *fmt, ...);
 extern int vsnprintf (char *buf, size_t size, const char *fmt, va_list args);
 
 extern int printf (const char *fmt, ...);