pipe output to 'more' or 'less'

more.c

int more(const char *buffer) {

    pid_t pid(fork());
    int status(0);

    if (!pid) {
        FILE *output{};

        output = popen("more", "w");
        if (!output) {
            fprintf(stderr,
                    "incorrect parameters or too many files.\n");
            return EXIT_FAILURE;
        }

        fprintf(output, "%s", buffer);

        if (pclose(output) != 0) {
            fprintf(stderr,
                    "Could not run more or other error.\n");
        }

        exit(EXIT_SUCCESS);
  
    }else waitpid(pid, &status, WUNTRACED | WCONTINUED);

    return status;
}