Initial commit

1 files changed, 26 insertions, 0 deletions

diff --git a/sys/symtab/stnext.x b/sys/symtab/stnext.x
new file mode 100644
index 00000000..2304f00c
--- /dev/null
+++ b/sys/symtab/stnext.x
@@ -0,0 +1,26 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	"symtab.h"
+
+# STNEXT -- Return a symstruct pointer to the next most recently entered
+# symbol in the table, given a pointer to some symbol.  Use to walk down
+# the global symbol table list in the reverse of the order in which symbols
+# were entered.
+
+pointer procedure stnext (stp, sym)
+
+pointer	stp			# symtab descriptor
+pointer	sym			# pointer to 'current' symstruct
+int	el
+
+begin
+	if (sym == NULL)
+	    return (NULL)
+	else {
+	    el = E_NEXTGLOB (E_BASE(sym))
+	    if (el == NULL)
+		return (NULL)
+	    else
+		return (E_USERFIELDS (ST_STABP(stp) + el))
+	}
+end