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The C and C++ Include Header Files

/usr/include/python3.12/cpython/bytearrayobject.h


$ cat -n /usr/include/python3.12/cpython/bytearrayobject.h

     1	#ifndef Py_CPYTHON_BYTEARRAYOBJECT_H
     2	#  error "this header file must not be included directly"
     3	#endif
     4	
     5	/* Object layout */
     6	typedef struct {
     7	    PyObject_VAR_HEAD
     8	    Py_ssize_t ob_alloc;   /* How many bytes allocated in ob_bytes */
     9	    char *ob_bytes;        /* Physical backing buffer */
    10	    char *ob_start;        /* Logical start inside ob_bytes */
    11	    Py_ssize_t ob_exports; /* How many buffer exports */
    12	} PyByteArrayObject;
    13	
    14	PyAPI_DATA(char) _PyByteArray_empty_string[];
    15	
    16	/* Macros and static inline functions, trading safety for speed */
    17	#define _PyByteArray_CAST(op) \
    18	    (assert(PyByteArray_Check(op)), _Py_CAST(PyByteArrayObject*, op))
    19	
    20	static inline char* PyByteArray_AS_STRING(PyObject *op)
    21	{
    22	    PyByteArrayObject *self = _PyByteArray_CAST(op);
    23	    if (Py_SIZE(self)) {
    24	        return self->ob_start;
    25	    }
    26	    return _PyByteArray_empty_string;
    27	}
    28	#define PyByteArray_AS_STRING(self) PyByteArray_AS_STRING(_PyObject_CAST(self))
    29	
    30	static inline Py_ssize_t PyByteArray_GET_SIZE(PyObject *op) {
    31	    PyByteArrayObject *self = _PyByteArray_CAST(op);
    32	    return Py_SIZE(self);
    33	}
    34	#define PyByteArray_GET_SIZE(self) PyByteArray_GET_SIZE(_PyObject_CAST(self))