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2026-06-01 23:40:55 +02:00
```c title="C"
#include "kreuzberg.h"
#include <stdio.h>
#include <stdlib.h>
int main(void) {
/* Combine chunking, OCR, image extraction, and Markdown output in one config. */
const char *config_json =
"{"
"\"output_format\": \"markdown\","
"\"force_ocr\": true,"
"\"ocr\": {\"backend\": \"tesseract\", \"languages\": [\"eng\", \"deu\"]},"
"\"chunking\": {\"chunker_type\": \"character\", \"max_characters\": 1024, \"overlap\": 128, \"trim\": true},"
"\"images\": {\"extract_images\": true, \"target_dpi\": 300, \"inject_placeholders\": true}"
"}";
KREUZBERGExtractionConfig *config = kreuzberg_extraction_config_from_json(config_json);
if (!config) {
fprintf(stderr, "config parse failed (code %d): %s\n",
kreuzberg_last_error_code(),
kreuzberg_last_error_context());
return 1;
}
KREUZBERGExtractionResult *result =
kreuzberg_extract_file("document.pdf", NULL, config);
if (!result) {
int32_t code = kreuzberg_last_error_code();
const char *message = kreuzberg_last_error_context();
fprintf(stderr, "extraction failed (code %d): %s\n",
code, message ? message : "(no message)");
kreuzberg_extraction_config_free(config);
return code != 0 ? code : 1;
}
char *content = kreuzberg_extraction_result_content(result);
printf("%s\n", content ? content : "(empty)");
kreuzberg_free_string(content);
kreuzberg_extraction_result_free(result);
kreuzberg_extraction_config_free(config);
return 0;
}
```