文档：https://docs.python.org/3/c-api/sys.html
API 列表
| API |
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PyObject *PyOS_FSPath(PyObject *path) |
Return the file system representation for path. |
int Py_FdIsInteractive(FILE *fp, const char *filename) |
Return true (nonzero) if the standard I/O file fp with name filename is deemed interactive |
| void PyOS_BeforeFork() |
Function to prepare some internal state before a process fork |
| void PyOS_AfterFork_Parent() |
Function to update some internal state after a process fork |
| void PyOS_AfterFork_Child() |
Function to update internal interpreter state after a process fork |
| void PyOS_AfterFork() |
Function to update some internal state after a process fork; this should be called in the new process if the Python interpreter will continue to be used |
| int PyOS_CheckStack() |
Return true when the interpreter runs out of stack space. |
typedef void (*PyOS_sighandler_t)(int) |
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| PyOS_sighandler_t PyOS_getsig(int i) |
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| PyOS_sighandler_t PyOS_setsig(int i, PyOS_sighandler_t h) |
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wchar_t *Py_DecodeLocale(const char *arg, size_t *size) |
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char *Py_EncodeLocale(const wchar_t *text, size_t *error_pos) |
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System Functions
| API |
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| PyObject PySys_GetObject(const char name) |
Return the object name from the sys module or NULL if it does not exist, without setting an exception. |
| int PySys_SetObject(const char name, PyObject v) |
Set name in the sys module to v unless v is NULL, in which case name is deleted from the sys module. Returns 0 on success, -1 on error. |
| void PySys_ResetWarnOptions() |
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void PySys_AddWarnOption(const wchar_t *s) |
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void PySys_AddWarnOptionUnicode(PyObject *unicode) |
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void PySys_SetPath(const wchar_t *path) |
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void PySys_WriteStdout(const char *format, ...) |
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void PySys_WriteStderr(const char *format, ...) |
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void PySys_FormatStdout(const char *format, ...) |
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void PySys_FormatStderr(const char *format, ...) |
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void PySys_AddXOption(const wchar_t *s) |
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PyObject *PySys_GetXOptions() |
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int PySys_Audit(const char *event, const char *format, ...) |
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int PySys_AddAuditHook(Py_AuditHookFunction hook, void *userData) |
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Process Control
| API |
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void Py_FatalError(const char *message) |
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void Py_Exit(int status) |
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int Py_AtExit(void (*func)()) |
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