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The C and C++ Include Header Files

/usr/include/python3.12/internal/pycore_bytesobject.h


$ cat -n /usr/include/python3.12/internal/pycore_bytesobject.h

     1	#ifndef Py_INTERNAL_BYTESOBJECT_H
     2	#define Py_INTERNAL_BYTESOBJECT_H
     3	#ifdef __cplusplus
     4	extern "C" {
     5	#endif
     6	
     7	#ifndef Py_BUILD_CORE
     8	#  error "this header requires Py_BUILD_CORE define"
     9	#endif
    10	
    11	
    12	/* Substring Search.
    13	
    14	   Returns the index of the first occurrence of
    15	   a substring ("needle") in a larger text ("haystack").
    16	   If the needle is not found, return -1.
    17	   If the needle is found, add offset to the index.
    18	*/
    19	
    20	PyAPI_FUNC(Py_ssize_t)
    21	_PyBytes_Find(const char *haystack, Py_ssize_t len_haystack,
    22	              const char *needle, Py_ssize_t len_needle,
    23	              Py_ssize_t offset);
    24	
    25	/* Same as above, but search right-to-left */
    26	PyAPI_FUNC(Py_ssize_t)
    27	_PyBytes_ReverseFind(const char *haystack, Py_ssize_t len_haystack,
    28	                     const char *needle, Py_ssize_t len_needle,
    29	                     Py_ssize_t offset);
    30	
    31	
    32	/** Helper function to implement the repeat and inplace repeat methods on a buffer
    33	 *
    34	 * len_dest is assumed to be an integer multiple of len_src.
    35	 * If src equals dest, then assume the operation is inplace.
    36	 *
    37	 * This method repeately doubles the number of bytes copied to reduce
    38	 * the number of invocations of memcpy.
    39	 */
    40	PyAPI_FUNC(void)
    41	_PyBytes_Repeat(char* dest, Py_ssize_t len_dest,
    42	    const char* src, Py_ssize_t len_src);
    43	
    44	#ifdef __cplusplus
    45	}
    46	#endif
    47	#endif /* !Py_INTERNAL_BYTESOBJECT_H */