汉字与unicode编码的相互转换 setlocale(LC_ALL,"zh_CN.UTF-8");//设置本地编码格式 n=mbstowcs(wt,input,x);//将汉字转换成宽字符类型 sprintf(output+4*i,"X",wt[i]);//将宽字符型转换成十六进制 sscan
linux加c加线程锁 pthread_mutex_tmutex=PTHREAD_MUTEX_INITIALIZER;pthrepthread_mutex_lock(&mutex;)pthread_mutex_trylock(&mutex;)pthread_mutex_unlock(&mutex;);pthread_mut
汉字与unicode编码的相互转换 setlocale(LC_ALL,"zh_CN.UTF-8");//设置本地编码格式 n=mbstowcs(wt,input,x);//将汉字转换成宽字符类型 sprintf(output+4*i,"X",wt[i]);//将宽字符型转换成十六进制 sscan
linux加c加串口 intfd=open(path,O_RDWR);structtermiosattr;tcgetattr(fd,&attr;);cfsetspeed(&attr;,B9600);tcsetattr(fd,TCSANOW,&attr;);read(fd,buf,sizeof(buf));printf("
linux进程通信 pipe(mypipe); mkfifo(fifodir,O_CREAT|O_EXCL) sid=shmget(IPC_PRIVATE,1024,0666); shmctl(sid,IPC_STAT,&buf;); mid=msgget(IPC_PRIVATE,0666); msgctl(mid,I
linuxc多线程 pthread_t t_id1,t_id2; pthread_create(&t_id1,NULL,fun1,NULL); pthread_create(&t_id2,NULL,fun2,NULL); pthread_join(t_id1,NULL); pthread_join(t_id2,NULL