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Diffstat (limited to 'libio/stdio.h')
-rw-r--r--libio/stdio.h24
1 files changed, 21 insertions, 3 deletions
diff --git a/libio/stdio.h b/libio/stdio.h
index 99b61aae01..13287f9880 100644
--- a/libio/stdio.h
+++ b/libio/stdio.h
@@ -22,7 +22,7 @@
#ifndef _STDIO_H
-#if !defined __need_FILE
+#ifndef __need_FILE
# define _STDIO_H 1
# include <features.h>
@@ -32,6 +32,9 @@ __BEGIN_DECLS
# define __need_NULL
# include <stddef.h>
+# define __need___va_list
+# include <stdarg.h>
+
# include <bits/types.h>
#endif /* Don't need FILE. */
#undef __need_FILE
@@ -282,7 +285,7 @@ vprintf (__const char *__restrict __fmt, _G_va_list __arg)
}
#endif /* Optimizing. */
-#if defined __USE_BSD || defined __USE_ISOC9X
+#if defined __USE_BSD || defined __USE_ISOC9X || defined __USE_UNIX98
/* Maximum chars of output to write in MAXLEN. */
extern int __snprintf __P ((char *__restrict __s, size_t __maxlen,
__const char *__restrict __format, ...))
@@ -452,7 +455,7 @@ putchar_unlocked (int __c)
#endif /* Use POSIX or MISc. */
-#if defined __USE_SVID || defined __USE_MISC
+#if defined __USE_SVID || defined __USE_MISC || defined __USE_XOPEN
/* Get a word (int) from STREAM. */
extern int getw __P ((FILE *__stream));
@@ -701,6 +704,21 @@ extern int ftrylockfile __P ((FILE *__stream));
extern void funlockfile __P ((FILE *__stream));
#endif /* POSIX || misc */
+#if defined __USE_XOPEN && !defined __USE_GNU
+/* The X/Open standard requires some functions and variables to be
+ declared here which do not belong into this header. But we have to
+ follow. In GNU mode we don't do this nonsense. */
+
+/* For more information on these symbols look in <getopt.h>. */
+extern char *optarg;
+extern int optind;
+extern int opterr;
+extern int optopt;
+
+extern int getopt __P ((int __argc, char *__const *__argv,
+ __const char *__shortopts));
+#endif
+
__END_DECLS
/* Define helper macro. */