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The C and C++ Include Header Files

cat -n /usr/include/python3.14/internal/pycore_c_array.h

     1	#ifndef Py_INTERNAL_C_ARRAY_H
     2	#define Py_INTERNAL_C_ARRAY_H
     3	
     4	#ifdef __cplusplus
     5	extern "C" {
     6	#endif
     7	
     8	#ifndef Py_BUILD_CORE
     9	#  error "this header requires Py_BUILD_CORE define"
    10	#endif
    11	
    12	
    13	/* Utility for a number of growing arrays */
    14	
    15	typedef struct {
    16	    void *array;              /* pointer to the array */
    17	    int allocated_entries;    /* pointer to the capacity of the array */
    18	    size_t item_size;         /* size of each element */
    19	    int initial_num_entries;  /* initial allocation size */
    20	} _Py_c_array_t;
    21	
    22	
    23	int _Py_CArray_Init(_Py_c_array_t* array, int item_size, int initial_num_entries);
    24	void _Py_CArray_Fini(_Py_c_array_t* array);
    25	
    26	/* If idx is out of bounds:
    27	 * If arr->array is NULL, allocate arr->initial_num_entries slots.
    28	 * Otherwise, double its size.
    29	 *
    30	 * Return 0 if successful and -1 (with exception set) otherwise.
    31	 */
    32	int _Py_CArray_EnsureCapacity(_Py_c_array_t *c_array, int idx);
    33	
    34	
    35	#ifdef __cplusplus
    36	}
    37	#endif
    38	
    39	#endif /* !Py_INTERNAL_C_ARRAY_H */