Operating System Utilities

• PyOS_sighandler_t PyOS_getsig(int i)
• PyOS_sighandler_t PyOS_setsig(int i, PyOS_sighandler_t h)
• wchar_t *Py_DecodeLocale(const char *arg, size_t *size)
• char *Py_EncodeLocale(const wchar_t *text, size_t *error_pos)

System Functions

These are utility functions that make functionality from the sys module accessible to C code

• PyObject *PySys_GetObject(const char *name)
• int PySys_SetObject(const char *name, PyObject *v)
• void PySys_WriteStdout(const char *format, ...)
• void PySys_FormatStdout(const char *format, ...)

Process Control

• void Py_FatalError(const char *message)
• void Py_Exit(int status)
• int Py_AtExit(void (*func)())