#include <stdio.h>
#include <stdlib.h>
#include <sqlite3.h>

static int callback(void *data, int argc, char **argv, char **azColName) {
    int i;
    fprintf(stderr, "%s: ", (const char*)data);

    for(i = 0; i<argc; i++) {
        printf("%s = %s\n", azColName[i], argv[i] ? argv[i] : "NULL");
    }

    printf("\n");
    return 0;
}

int main(int argc, char* argv[]) {
    sqlite3 *db;
    char *zErrMsg = 0;
    int rc;
    char *sql;
    const char* data = "Callback function called";

    /* Open database */
    rc = sqlite3_open("test.db", &db);

    if (rc) {
        fprintf(stderr, "Can't open database: %s\n", sqlite3_errmsg(db));
        return(0);
    } else {
        fprintf(stderr, "Opened database successfully\n");
    }

    /* Create merged SQL statement */
    sql = "UPDATE COMPANY set SALARY = 25000.00 where ID=1; " \
        "SELECT * from COMPANY";

    /* Execute SQL statement */
    rc = sqlite3_exec(db, sql, callback, (void*)data, &zErrMsg);

    if (rc != SQLITE_OK) {
        fprintf(stderr, "SQL error: %s\n", zErrMsg);
        sqlite3_free(zErrMsg);
    } else {
        fprintf(stdout, "Operation done successfully\n");
    }

    sqlite3_close(db);

    return 0;
}