Fix #7579. Add docstrings to msvcrt and adjust some wording for bytes.
diff --git a/PC/msvcrtmodule.c b/PC/msvcrtmodule.c
index 9a86d5e..e173fea 100755
--- a/PC/msvcrtmodule.c
+++ b/PC/msvcrtmodule.c
@@ -197,12 +197,12 @@
PyDoc_STRVAR(getch_doc,
"getch() -> key character\n\
\n\
-Read a keypress and return the resulting character. Nothing is echoed to\n\
-the console. This call will block if a keypress is not already\n\
-available, but will not wait for Enter to be pressed. If the pressed key\n\
-was a special function key, this will return '\\000' or '\\xe0'; the next\n\
-call will return the keycode. The Control-C keypress cannot be read with\n\
-this function.");
+Read a keypress and return the resulting character as a byte string.\n\
+Nothing is echoed to the console. This call will block if a keypress is\n\
+not already available, but will not wait for Enter to be pressed. If the\n\
+pressed key was a special function key, this will return '\\000' or\n\
+'\\xe0'; the next call will return the keycode. The Control-C keypress\n\
+cannot be read with this function.");
#ifdef _WCONIO_DEFINED
static PyObject *
@@ -288,7 +288,7 @@
PyDoc_STRVAR(putch_doc,
"putch(char) -> None\n\
\n\
-Print the character char to the console without buffering.");
+Print the byte string char to the console without buffering.");
#ifdef _WCONIO_DEFINED
static PyObject *
@@ -327,8 +327,9 @@
PyDoc_STRVAR(ungetch_doc,
"ungetch(char) -> None\n\
\n\
-Cause the character char to be \"pushed back\" into the console buffer;\n\
-it will be the next character read by getch() or getche().");
+Cause the byte string char to be \"pushed back\" into the\n\
+console buffer; it will be the next character read by\n\
+getch() or getche().");
#ifdef _WCONIO_DEFINED
static PyObject *