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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) {
const char *config_json =
"{"
"\"keywords\": {"
"\"algorithm\": \"yake\","
"\"max_keywords\": 10,"
"\"min_score\": 0.3"
"}"
"}";
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_sync("research_paper.pdf", NULL, config);
if (!result) {
fprintf(stderr, "extraction failed (code %d): %s\n",
kreuzberg_last_error_code(),
kreuzberg_last_error_context());
kreuzberg_extraction_config_free(config);
return 1;
}
char *keywords_json = kreuzberg_extraction_result_extracted_keywords(result);
if (keywords_json) {
printf("Keywords: %s\n", keywords_json);
kreuzberg_free_string(keywords_json);
} else {
printf("Keywords: (none)\n");
}
kreuzberg_extraction_result_free(result);
kreuzberg_extraction_config_free(config);
return 0;
}
```