1 files changed, 28 insertions, 0 deletions
diff --git a/unix/boot/spp/rpp/ratlibc/getarg.c b/unix/boot/spp/rpp/ratlibc/getarg.c
new file mode 100644
index 00000000..2952d7d7
--- /dev/null
+++ b/unix/boot/spp/rpp/ratlibc/getarg.c
@@ -0,0 +1,28 @@
+/* Copyright(c) 1986 Association of Universities for Research in Astronomy Inc.
+ */
+
+#include "ratdef.h"
+
+FINT
+GETARG(n, s, maxsiz)
+FINT *n;
+register RCHAR *s;
+FINT *maxsiz;
+{
+	extern int xargc;
+	extern char **xargv;
+	register char *t;
+	register int i;
+
+	if(*n>=0 && *n<xargc)
+		t = xargv[*n];
+	else if (*n == -1)
+		return(xargc);
+	else
+		return(REOF);	/* non-existent argument */
+
+	for(i = 0; i<*maxsiz-1 && *t!='\0' ; ++i)
+		*s++ = *t++;
+	*s++ = REOS;	/* terminate ratfor string with eos */
+	return(i);	/* return length of argument */
+}