test.c

这个才是朗讯的内置猫驱动

#include <stdio.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include "clmodem.h"

int main()
{
    FILE *dev;
    int rv;
    
    setvbuf(stdout, NULL, _IONBF, 0);
    
    dev = fopen("/dev/clm", "r");
    if (dev == NULL) {
	printf("Can't open /dev/clm\n");
	return -1;
    }

    rv = ioctl(fileno(dev), IOCTL_INIT, 1);
    printf("Testing Modem...\n");
    getchar();
    
    rv = ioctl(fileno(dev), IOCTL_SET_SPKR_VOL, 2);
    rv = ioctl(fileno(dev), IOCTL_SET_SPKR, 1);
    sleep(1);
    rv = ioctl(fileno(dev), IOCTL_SET_HOOK, 1);
    rv = ioctl(fileno(dev), IOCTL_WAIT_DIALTONE, 1);
    printf("IOCTL_WAIT_DIALTONE = %d\n", rv);
					/* Change this phone number */
    rv = ioctl(fileno(dev), IOCTL_DIAL_NUMBER, "1234567");

    rv = ioctl(fileno(dev), IOCTL_ORIG_CONN, 1);
    printf("IOCTL_ORIG_CONN = %d\n", rv);
    
    sleep(10);
    fclose(dev);

    return 0;
}