date and time created 91/03/07 20:27:33 by bostic

SCCS-vsn: bin/sh/input.h 5.1

diff --git a/usr/src/bin/sh/input.h b/usr/src/bin/sh/input.h
new file mode 100644 (file)
index 0000000..fd3afd5
--- /dev/null
+++ b/usr/src/bin/sh/input.h
@@ -0,0 +1,51 @@
+/*-
+ * Copyright (c) 1991 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Kenneth Almquist.
+ *
+ * %sccs.include.redist.c%
+ *
+ *     @(#)input.h     5.1 (Berkeley) %G%
+ */
+
+/* PEOF (the end of file marker) is defined in syntax.h */
+
+/*
+ * The input line number.  Input.c just defines this variable, and saves
+ * and restores it when files are pushed and popped.  The user of this
+ * package must set its value.
+ */
+extern int plinno;
+extern int parsenleft;         /* number of characters left in input buffer */
+extern char *parsenextc;       /* next character in input buffer */
+
+
+#ifdef __STDC__
+char *pfgets(char *, int);
+int pgetc(void);
+int preadbuffer(void);
+void pungetc(void);
+void ppushback(char *, int);
+void setinputfile(char *, int);
+void setinputfd(int, int);
+void setinputstring(char *, int);
+void popfile(void);
+void popallfiles(void);
+void closescript(void);
+#else
+char *pfgets();
+int pgetc();
+int preadbuffer();
+void pungetc();
+void ppushback();
+void setinputfile();
+void setinputfd();
+void setinputstring();
+void popfile();
+void popallfiles();
+void closescript();
+#endif
+
+#define pgetc_macro()  (--parsenleft >= 0? *parsenextc++ : preadbuffer())