X-Git-Url: https://git.subgeniuskitty.com/unix-history/.git/blobdiff_plain/505fc81fd7712055ec1cd65a2ad86f54a4dce28e..a53426fff2b78ebc6a82a4869810f44d7d5204c5:/usr/src/include/stdio.h

diff --git a/usr/src/include/stdio.h b/usr/src/include/stdio.h
index 90dd4a856a..3a9117ae4d 100644
--- a/usr/src/include/stdio.h
+++ b/usr/src/include/stdio.h
@@ -1,16 +1,21 @@
-/*	stdio.h	1.8	84/11/12	*/
-#define	BUFSIZ	1024
-#define	_NFILE	20
+/*
+ * Copyright (c) 1980 Regents of the University of California.
+ * All rights reserved.  The Berkeley software License Agreement
+ * specifies the terms and conditions for redistribution.
+ *
+ *	@(#)stdio.h	5.4 (Berkeley) %G%
+ */
+
 # ifndef FILE
+#define	BUFSIZ	1024
 extern	struct	_iobuf {
 	int	_cnt;
-	char	*_ptr;
-	char	*_base;
+	char	*_ptr;		/* should be unsigned char */
+	char	*_base;		/* ditto */
 	int	_bufsiz;
 	short	_flag;
-	char	_file;
-} _iob[_NFILE];
-# endif
+	char	_file;		/* should be short */
+} _iob[];
 
 #define	_IOREAD	01
 #define	_IOWRT	02
@@ -28,22 +33,31 @@ extern	struct	_iobuf {
 #define	stdin	(&_iob[0])
 #define	stdout	(&_iob[1])
 #define	stderr	(&_iob[2])
-#define	getc(p)		(--(p)->_cnt>=0? *(p)->_ptr++&0377:_filbuf(p))
+#ifndef lint
+#define	getc(p)		(--(p)->_cnt>=0? (int)(*(unsigned char *)(p)->_ptr++):_filbuf(p))
+#endif not lint
 #define	getchar()	getc(stdin)
-#define putc(x, p)	(--(p)->_cnt >= 0 || ((p)->_flag & _IOLBF) &&\
-		-(p)->_cnt <= (p)->_bufsiz && (x) != '\n' ?\
-		(int)(*(p)->_ptr++ = (unsigned)(x)) : _flsbuf((unsigned)(x), p))
+#ifndef lint
+#define putc(x, p)	(--(p)->_cnt >= 0 ?\
+	(int)(*(unsigned char *)(p)->_ptr++ = (x)) :\
+	(((p)->_flag & _IOLBF) && -(p)->_cnt < (p)->_bufsiz ?\
+		((*(p)->_ptr = (x)) != '\n' ?\
+			(int)(*(unsigned char *)(p)->_ptr++) :\
+			_flsbuf(*(unsigned char *)(p)->_ptr, p)) :\
+		_flsbuf((unsigned char)(x), p)))
+#endif not lint
 #define	putchar(x)	putc(x,stdout)
 #define	feof(p)		(((p)->_flag&_IOEOF)!=0)
 #define	ferror(p)	(((p)->_flag&_IOERR)!=0)
 #define	fileno(p)	((p)->_file)
+#define	clearerr(p)	((p)->_flag &= ~(_IOERR|_IOEOF))
 
 FILE	*fopen();
 FILE	*fdopen();
 FILE	*freopen();
+FILE	*popen();
 long	ftell();
 char	*fgets();
 char	*gets();
-#ifdef vax
-char	*sprintf();		/* too painful to do right */
-#endif
+int	sprintf();	/* here until everyone does it right */
+# endif