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src/secp256k1/include/secp256k1.h
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| * replaced at link time if the preprocessor macro | * replaced at link time if the preprocessor macro | ||||
| * USE_EXTERNAL_DEFAULT_CALLBACKS is defined, which is the case if the build | * USE_EXTERNAL_DEFAULT_CALLBACKS is defined, which is the case if the build | ||||
| * has been configured with --enable-external-default-callbacks. Then the | * has been configured with --enable-external-default-callbacks. Then the | ||||
| * following two symbols must be provided to link against: | * following two symbols must be provided to link against: | ||||
| * - void secp256k1_default_illegal_callback_fn(const char* message, void* data); | * - void secp256k1_default_illegal_callback_fn(const char* message, void* data); | ||||
| * - void secp256k1_default_error_callback_fn(const char* message, void* data); | * - void secp256k1_default_error_callback_fn(const char* message, void* data); | ||||
| * The library can call these default handlers even before a proper callback data | * The library can call these default handlers even before a proper callback data | ||||
| * pointer could have been set using secp256k1_context_set_illegal_callback or | * pointer could have been set using secp256k1_context_set_illegal_callback or | ||||
| * secp256k1_context_set_illegal_callback, e.g., when the creation of a context | * secp256k1_context_set_error_callback, e.g., when the creation of a context | ||||
| * fails. In this case, the corresponding default handler will be called with | * fails. In this case, the corresponding default handler will be called with | ||||
| * the data pointer argument set to NULL. | * the data pointer argument set to NULL. | ||||
| * | * | ||||
| * Args: ctx: an existing context object (cannot be NULL) | * Args: ctx: an existing context object (cannot be NULL) | ||||
| * In: fun: a pointer to a function to call when an illegal argument is | * In: fun: a pointer to a function to call when an illegal argument is | ||||
| * passed to the API, taking a message and an opaque pointer. | * passed to the API, taking a message and an opaque pointer. | ||||
| * (NULL restores the default handler.) | * (NULL restores the default handler.) | ||||
| * data: the opaque pointer to pass to fun above. | * data: the opaque pointer to pass to fun above. | ||||
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