pg_parse 0.12.0

PostgreSQL parser that uses the actual PostgreSQL server source to parse SQL queries and return the internal PostgreSQL parse tree.
Documentation 
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#include <pg_query.h>
#include <stdio.h>
#include <stdlib.h>

int main() {
  PgQueryPlpgsqlParseResult result;

  result = pg_query_parse_plpgsql(" \
  CREATE OR REPLACE FUNCTION cs_fmt_browser_version(v_name varchar, \
                                                  v_version varchar) \
RETURNS varchar AS $$ \
BEGIN \
    IF v_version IS NULL THEN \
        RETURN v_name; \
    END IF; \
    RETURN v_name || '/' || v_version; \
END; \
$$ LANGUAGE plpgsql;");

  if (result.error) {
    printf("error: %s at %d\n", result.error->message, result.error->cursorpos);
  } else {
    printf("%s\n", result.plpgsql_funcs);
  }

  pg_query_free_plpgsql_parse_result(result);

  // Optional, this ensures all memory is freed upon program exit (useful when running Valgrind)
  pg_query_exit();

  return 0;
}