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-rw-r--r--Doc/c-api/sys.rst13
1 files changed, 12 insertions, 1 deletions
diff --git a/Doc/c-api/sys.rst b/Doc/c-api/sys.rst
index bc4cbae..d4d2795 100644
--- a/Doc/c-api/sys.rst
+++ b/Doc/c-api/sys.rst
@@ -109,8 +109,19 @@ accessible to C code. They all work with the current interpreter thread's
.. cfunction:: void PySys_WriteStderr(const char *format, ...)
- As above, but write to :data:`sys.stderr` or *stderr* instead.
+ As :cfunc:`PySys_WriteStdout`, but write to :data:`sys.stderr` or *stderr*
+ instead.
+.. cfunction:: void PySys_FormatStdout(const char *format, ...)
+
+ Function similar to PySys_WriteStdout() but format the message using
+ :cfunc:`PyUnicode_FromFormatV` and don't truncate the message to an
+ arbitrary length.
+
+.. cfunction:: void PySys_FormatStderr(const char *format, ...)
+
+ As :cfunc:`PySys_FormatStdout`, but write to :data:`sys.stderr` or *stderr*
+ instead.
.. _processcontrol: