BSD 4.4 Lite bin Sources

1 files changed, 65 insertions, 0 deletions

diff --git a/bin/sh/eval.h b/bin/sh/eval.h
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+/*-
+ * Copyright (c) 1991, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Kenneth Almquist.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)eval.h	8.1 (Berkeley) 5/31/93
+ */
+
+extern char *commandname;	/* currently executing command */
+extern int exitstatus;		/* exit status of last command */
+extern struct strlist *cmdenviron;  /* environment for builtin command */
+
+
+struct backcmd {		/* result of evalbackcmd */
+	int fd;			/* file descriptor to read from */
+	char *buf;		/* buffer */
+	int nleft;		/* number of chars in buffer */
+	struct job *jp;		/* job structure for command */
+};
+
+
+#ifdef __STDC__
+void evalstring(char *);
+union node;	/* BLETCH for ansi C */
+void evaltree(union node *, int);
+void evalbackcmd(union node *, struct backcmd *);
+#else
+void evalstring();
+void evaltree();
+void evalbackcmd();
+#endif
+
+/* in_function returns nonzero if we are currently evaluating a function */
+#define in_function()	funcnest
+extern int funcnest;