diff --git a/common/getsl.c b/common/getsl.c
new file mode 100644
index 0000000..8ca738f
--- /dev/null
+++ b/common/getsl.c
@@ -0,0 +1,12 @@
+#include "tweak.h"
+#include <stdio.h>
+#include "my-string.h"
+#include "common_def.h"
+#include "co_extern.h"
+
+char *getsl(char *s, int l) {
+    int i;
+    char *rv = fgets(s, l, stdin);
+    if(rv && (i = strlen(rv)) > 0) if(rv[i - 1] == '\n') rv[i - 1] = '\0';
+    return rv;
+}