cdef extern from "_yaml.h":

    void malloc(int l)

    void memcpy(char *d, char *s, int l)

    int strlen(char *s)

    int PyString_CheckExact(object o)

    int PyUnicode_CheckExact(object o)

    char *PyString_AS_STRING(object o)

    int PyString_GET_SIZE(object o)

    object PyString_FromStringAndSize(char *v, int l)

    object PyUnicode_DecodeUTF8(char *s, int s, char *e)

    object PyUnicode_AsUTF8String(object o)

    ctypedef enum:

        SIZEOF_VOID_P

    ctypedef enum yaml_encoding_t:

        YAML_ANY_ENCODING

        YAML_UTF8_ENCODING

        YAML_UTF16LE_ENCODING

        YAML_UTF16BE_ENCODING

    ctypedef enum yaml_break_t:

        YAML_ANY_BREAK

        YAML_CR_BREAK

        YAML_LN_BREAK

        YAML_CRLN_BREAK

    ctypedef enum yaml_error_type_t:

        YAML_NO_ERROR

        YAML_MEMORY_ERROR

        YAML_READER_ERROR

        YAML_SCANNER_ERROR

        YAML_PARSER_ERROR

        YAML_WRITER_ERROR

        YAML_EMITTER_ERROR

    ctypedef enum yaml_scalar_style_t:

        YAML_ANY_SCALAR_STYLE

        YAML_PLAIN_SCALAR_STYLE

        YAML_SINGLE_QUOTED_SCALAR_STYLE

        YAML_DOUBLE_QUOTED_SCALAR_STYLE

        YAML_LITERAL_SCALAR_STYLE

        YAML_FOLDED_SCALAR_STYLE

    ctypedef enum yaml_sequence_style_t:

        YAML_ANY_SEQUENCE_STYLE

        YAML_BLOCK_SEQUENCE_STYLE

        YAML_FLOW_SEQUENCE_STYLE

    ctypedef enum yaml_mapping_style_t:

        YAML_ANY_MAPPING_STYLE

        YAML_BLOCK_MAPPING_STYLE

        YAML_FLOW_MAPPING_STYLE

    ctypedef enum yaml_token_type_t:

        YAML_NO_TOKEN

        YAML_STREAM_START_TOKEN

        YAML_STREAM_END_TOKEN

        YAML_VERSION_DIRECTIVE_TOKEN

        YAML_TAG_DIRECTIVE_TOKEN

        YAML_DOCUMENT_START_TOKEN

        YAML_DOCUMENT_END_TOKEN

        YAML_BLOCK_SEQUENCE_START_TOKEN

        YAML_BLOCK_MAPPING_START_TOKEN

        YAML_BLOCK_END_TOKEN

        YAML_FLOW_SEQUENCE_START_TOKEN

        YAML_FLOW_SEQUENCE_END_TOKEN

        YAML_FLOW_MAPPING_START_TOKEN

        YAML_FLOW_MAPPING_END_TOKEN

        YAML_BLOCK_ENTRY_TOKEN

        YAML_FLOW_ENTRY_TOKEN

        YAML_KEY_TOKEN

        YAML_VALUE_TOKEN

        YAML_ALIAS_TOKEN

        YAML_ANCHOR_TOKEN

        YAML_TAG_TOKEN

        YAML_SCALAR_TOKEN

    ctypedef enum yaml_event_type_t:

        YAML_NO_EVENT

        YAML_STREAM_START_EVENT

        YAML_STREAM_END_EVENT

        YAML_DOCUMENT_START_EVENT

        YAML_DOCUMENT_END_EVENT

        YAML_ALIAS_EVENT

        YAML_SCALAR_EVENT

        YAML_SEQUENCE_START_EVENT

        YAML_SEQUENCE_END_EVENT

        YAML_MAPPING_START_EVENT

        YAML_MAPPING_END_EVENT

    ctypedef int yaml_read_handler_t(void *data, char *buffer,

            int size, int *size_read) except 0

    ctypedef int yaml_write_handler_t(void *data, char *buffer,

            int size) except 0

    ctypedef struct yaml_mark_t:

        int index

        int line

        int column

    ctypedef struct yaml_version_directive_t:

        int major

        int minor

    ctypedef struct yaml_tag_directive_t:

        char *handle

        char *prefix

    ctypedef struct _yaml_token_stream_start_data_t:

        yaml_encoding_t encoding

    ctypedef struct _yaml_token_alias_data_t:

        char *value

    ctypedef struct _yaml_token_anchor_data_t:

        char *value

    ctypedef struct _yaml_token_tag_data_t:

        char *handle

        char *suffix

    ctypedef struct _yaml_token_scalar_data_t:

        char *value

        int length

        yaml_scalar_style_t style

    ctypedef struct _yaml_token_version_directive_data_t:

        int major

        int minor

    ctypedef struct _yaml_token_tag_directive_data_t:

        char *handle

        char *prefix

    ctypedef union _yaml_token_data_t:

        _yaml_token_stream_start_data_t stream_start

        _yaml_token_alias_data_t alias

        _yaml_token_anchor_data_t anchor

        _yaml_token_tag_data_t tag

        _yaml_token_scalar_data_t scalar

        _yaml_token_version_directive_data_t version_directive

        _yaml_token_tag_directive_data_t tag_directive

    ctypedef struct yaml_token_t:

        yaml_token_type_t type

        _yaml_token_data_t data

        yaml_mark_t start_mark

        yaml_mark_t end_mark

    ctypedef struct _yaml_event_stream_start_data_t:

        yaml_encoding_t encoding

    ctypedef struct _yaml_event_document_start_data_tag_directives_t:

        yaml_tag_directive_t *start

        yaml_tag_directive_t *end

    ctypedef struct _yaml_event_document_start_data_t:

        yaml_version_directive_t *version_directive

        _yaml_event_document_start_data_tag_directives_t tag_directives

        int implicit

    ctypedef struct _yaml_event_document_end_data_t:

        int implicit

    ctypedef struct _yaml_event_alias_data_t:

        char *anchor

    ctypedef struct _yaml_event_scalar_data_t:

        char *anchor

        char *tag

        char *value

        int length

        int plain_implicit

        int quoted_implicit

        yaml_scalar_style_t style

    ctypedef struct _yaml_event_sequence_start_data_t:

        char *anchor

        char *tag

        int implicit

        yaml_sequence_style_t style

    ctypedef struct _yaml_event_mapping_start_data_t:

        char *anchor

        char *tag

        int implicit

        yaml_mapping_style_t style

    ctypedef union _yaml_event_data_t:

        _yaml_event_stream_start_data_t stream_start

        _yaml_event_document_start_data_t document_start

        _yaml_event_document_end_data_t document_end

        _yaml_event_alias_data_t alias

        _yaml_event_scalar_data_t scalar

        _yaml_event_sequence_start_data_t sequence_start

        _yaml_event_mapping_start_data_t mapping_start

    ctypedef struct yaml_event_t:

        yaml_event_type_t type

        _yaml_event_data_t data

        yaml_mark_t start_mark

        yaml_mark_t end_mark

    ctypedef struct yaml_parser_t:

        yaml_error_type_t error

        char *problem

        int problem_offset

        int problem_value

        yaml_mark_t problem_mark

        char *context

        yaml_mark_t context_mark

    ctypedef struct yaml_emitter_t:

        yaml_error_type_t error

        char *problem

    char *yaml_get_version_string()

    void yaml_get_version(int *major, int *minor, int *patch)

    void yaml_token_delete(yaml_token_t *token)

    int yaml_stream_start_event_initialize(yaml_event_t *event,

            yaml_encoding_t encoding)

    int yaml_stream_end_event_initialize(yaml_event_t *event)

    int yaml_document_start_event_initialize(yaml_event_t *event,

            yaml_version_directive_t *version_directive,

            yaml_tag_directive_t *tag_directives_start,

            yaml_tag_directive_t *tag_directives_end,

            int implicit)

    int yaml_document_end_event_initialize(yaml_event_t *event,

            int implicit)

    int yaml_alias_event_initialize(yaml_event_t *event, char *anchor)

    int yaml_scalar_event_initialize(yaml_event_t *event,

            char *anchor, char *tag, char *value, int length,

            int plain_implicit, int quoted_implicit,

            yaml_scalar_style_t style)

    int yaml_sequence_start_event_initialize(yaml_event_t *event,

            char *anchor, char *tag, int implicit, yaml_sequence_style_t style)

    int yaml_sequence_end_event_initialize(yaml_event_t *event)

    int yaml_mapping_start_event_initialize(yaml_event_t *event,

            char *anchor, char *tag, int implicit, yaml_mapping_style_t style)

    int yaml_mapping_end_event_initialize(yaml_event_t *event)

    void yaml_event_delete(yaml_event_t *event)

    int yaml_parser_initialize(yaml_parser_t *parser)

    void yaml_parser_delete(yaml_parser_t *parser)

    void yaml_parser_set_input_string(yaml_parser_t *parser,

            char *input, int size)

    void yaml_parser_set_input(yaml_parser_t *parser,

            yaml_read_handler_t *handler, void *data)

    void yaml_parser_set_encoding(yaml_parser_t *parser,

            yaml_encoding_t encoding)

    int yaml_parser_scan(yaml_parser_t *parser, yaml_token_t *token) except *

    int yaml_parser_parse(yaml_parser_t *parser, yaml_event_t *event) except *

    int yaml_emitter_initialize(yaml_emitter_t *emitter)

    void yaml_emitter_delete(yaml_emitter_t *emitter)

    void yaml_emitter_set_output_string(yaml_emitter_t *emitter,

            char *output, int size, int *size_written)

    void yaml_emitter_set_output(yaml_emitter_t *emitter,

            yaml_write_handler_t *handler, void *data)

    void yaml_emitter_set_encoding(yaml_emitter_t *emitter,

            yaml_encoding_t encoding)

    void yaml_emitter_set_canonical(yaml_emitter_t *emitter, int canonical)

    void yaml_emitter_set_indent(yaml_emitter_t *emitter, int indent)

    void yaml_emitter_set_width(yaml_emitter_t *emitter, int width)

    void yaml_emitter_set_unicode(yaml_emitter_t *emitter, int unicode)

    void yaml_emitter_set_break(yaml_emitter_t *emitter,

            yaml_break_t line_break)

    int yaml_emitter_emit(yaml_emitter_t *emitter, yaml_event_t *event) except *

    int yaml_emitter_flush(yaml_emitter_t *emitter)