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-rw-r--r--libc/stdio/_stdio.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/libc/stdio/_stdio.h b/libc/stdio/_stdio.h
index 858f2716b..4d45a5448 100644
--- a/libc/stdio/_stdio.h
+++ b/libc/stdio/_stdio.h
@@ -19,8 +19,35 @@
#include <string.h>
#include <unistd.h>
+extern int __vfprintf (FILE *__restrict __s, __const char *__restrict __format,
+ __gnuc_va_list __arg) attribute_hidden;
+
+extern int __vsnprintf (char *__restrict __s, size_t __maxlen,
+ __const char *__restrict __format, __gnuc_va_list __arg)
+ __THROW __attribute__ ((__format__ (__printf__, 3, 0))) attribute_hidden;
+
+extern int __vfscanf (FILE *__restrict __s, __const char *__restrict __format,
+ __gnuc_va_list __arg)
+ __attribute__ ((__format__ (__scanf__, 2, 0))) attribute_hidden;
+
+extern int __vsscanf (__const char *__restrict __s,
+ __const char *__restrict __format, __gnuc_va_list __arg)
+ __THROW __attribute__ ((__format__ (__scanf__, 2, 0))) attribute_hidden;
+
#ifdef __UCLIBC_HAS_WCHAR__
#include <wchar.h>
+
+extern int __vfwprintf (__FILE *__restrict __s,
+ __const wchar_t *__restrict __format,
+ __gnuc_va_list __arg) attribute_hidden;
+
+extern int __vfwscanf (__FILE *__restrict __s,
+ __const wchar_t *__restrict __format,
+ __gnuc_va_list __arg) attribute_hidden;
+
+extern int __vswscanf (__const wchar_t *__restrict __s,
+ __const wchar_t *__restrict __format,
+ __gnuc_va_list __arg) __THROW attribute_hidden;
#endif
#ifdef __UCLIBC_HAS_THREADS__