tor-auto/doxygen/scanf_8h_source.html

 /* Copyright (c) 2003-2004, Roger Dingledine
  * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
  * Copyright (c) 2007-2019, The Tor Project, Inc. */
 /* See LICENSE for licensing information */

 #ifndef TOR_UTIL_SCANF_H
 #define TOR_UTIL_SCANF_H

 #include "orconfig.h"
 #include "lib/cc/compat_compiler.h"

 #include <stdarg.h>

 int tor_vsscanf(const char *buf, const char *pattern, va_list ap) \
   CHECK_SCANF(2, 0);
 int tor_sscanf(const char *buf, const char *pattern, ...)
   CHECK_SCANF(2, 3);

 #endif /* !defined(TOR_UTIL_SCANF_H) */
tor_sscanf
int tor_sscanf(const char *buf, const char *pattern,...)
Definition: scanf.c:309

compat_compiler.h
Utility macros to handle different features and behavior in different compilers.

tor_vsscanf
int tor_vsscanf(const char *buf, const char *pattern, va_list ap)
Definition: scanf.c:179