name : pycore_bytesobject.h #ifndef Py_INTERNAL_BYTESOBJECT_H #define Py_INTERNAL_BYTESOBJECT_H #ifdef __cplusplus extern "C" { #endif #ifndef Py_BUILD_CORE # error "this header requires Py_BUILD_CORE define" #endif /* Substring Search. Returns the index of the first occurrence of a substring ("needle") in a larger text ("haystack"). If the needle is not found, return -1. If the needle is found, add offset to the index. */ PyAPI_FUNC(Py_ssize_t) _PyBytes_Find(const char *haystack, Py_ssize_t len_haystack, const char *needle, Py_ssize_t len_needle, Py_ssize_t offset); /* Same as above, but search right-to-left */ PyAPI_FUNC(Py_ssize_t) _PyBytes_ReverseFind(const char *haystack, Py_ssize_t len_haystack, const char *needle, Py_ssize_t len_needle, Py_ssize_t offset); /** Helper function to implement the repeat and inplace repeat methods on a buffer * * len_dest is assumed to be an integer multiple of len_src. * If src equals dest, then assume the operation is inplace. * * This method repeately doubles the number of bytes copied to reduce * the number of invocations of memcpy. */ PyAPI_FUNC(void) _PyBytes_Repeat(char* dest, Py_ssize_t len_dest, const char* src, Py_ssize_t len_src); #ifdef __cplusplus } #endif #endif /* !Py_INTERNAL_BYTESOBJECT_H */