Issue #22581: Use more "bytes-like object" throughout the docs and comments.
diff --git a/Python/getargs.c b/Python/getargs.c
index 946faf2..3f47b21 100644
--- a/Python/getargs.c
+++ b/Python/getargs.c
@@ -849,7 +849,7 @@
     /* XXX WAAAAH!  's', 'y', 'z', 'u', 'Z', 'e', 'w' codes all
        need to be cleaned up! */
 
-    case 'y': {/* any buffer-like object, but not PyUnicode */
+    case 'y': {/* any bytes-like object */
         void **p = (void **)va_arg(*p_va, char **);
         char *buf;
         Py_ssize_t count;
@@ -880,8 +880,8 @@
         break;
     }
 
-    case 's': /* text string */
-    case 'z': /* text string or None */
+    case 's': /* text string or bytes-like object */
+    case 'z': /* text string, bytes-like object or None */
     {
         if (*format == '*') {
             /* "s*" or "z*" */
@@ -897,7 +897,7 @@
                                       arg, msgbuf, bufsize);
                 PyBuffer_FillInfo(p, arg, sarg, len, 1, 0);
             }
-            else { /* any buffer-like object */
+            else { /* any bytes-like object */
                 char *buf;
                 if (getbuffer(arg, p, &buf) < 0)
                     return converterr(buf, arg, msgbuf, bufsize);
@@ -908,7 +908,7 @@
                     arg, msgbuf, bufsize);
             }
             format++;
-        } else if (*format == '#') { /* any buffer-like object */
+        } else if (*format == '#') { /* a string or read-only bytes-like object */
             /* "s#" or "z#" */
             void **p = (void **)va_arg(*p_va, char **);
             FETCH_SIZE;
@@ -926,7 +926,7 @@
                 *p = sarg;
                 STORE_SIZE(len);
             }
-            else { /* any buffer-like object */
+            else { /* read-only bytes-like object */
                 /* XXX Really? */
                 char *buf;
                 Py_ssize_t count = convertbuffer(arg, p, &buf);
@@ -967,7 +967,7 @@
     {
         Py_UNICODE **p = va_arg(*p_va, Py_UNICODE **);
 
-        if (*format == '#') { /* any buffer-like object */
+        if (*format == '#') {
             /* "s#" or "Z#" */
             FETCH_SIZE;