1 files changed, 22 insertions, 0 deletions
diff --git a/sys/memio/realloc.x b/sys/memio/realloc.x
new file mode 100644
index 00000000..40229b8f
--- /dev/null
+++ b/sys/memio/realloc.x
@@ -0,0 +1,22 @@
+# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+
+include	<syserr.h>
+
+# REALLOC -- Change the size of a previously allocated buffer, moving the
+# buffer if necessary.  If there is no old buffer (NULL pointer) simply
+# allocate a new buffer.
+
+procedure realloc (ubufp, nelems, dtype)
+
+pointer	ubufp			# buffer to be reallocated
+int	nelems			# new size of buffer
+int	dtype			# buffer datatype
+
+int	krealloc()
+
+begin
+	if (krealloc (ubufp, nelems, dtype) == ERR) {
+	    ubufp = NULL
+	    call syserr (SYS_MFULL)
+	}
+end