Parse arguments and concatenate to a sentence

parse_args.c

/**
 * @brief  Concatenate the strings in input 
 *         arguments to a space separated sentence 
 *         into an output buffer.
 */
void parse_args(int argc, char* argv[], char* buffer)
{
    // copy the first argument
    strcpy(buffer, argv[1]);
    // contatenate each proceeding argument 
    // with a space beforehand
    for (int i = 2; i < argc; ++i) {
        strcat(buffer, " ");
        strcat(buffer, argv[i]);
    }
    // Null terminate the buffer
    strcat(buffer, "\0");
}