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if (tcsetattr(fd, TCSANOW, &tty) != 0) perror("tcsetattr"); return -1;

// Example read char buffer[256]; read(fd, buffer, 256); serialfd com top

close(fd); return 0;

#include <fcntl.h> #include <termios.h> #include <unistd.h> if (tcsetattr(fd, TCSANOW, &tty)

This example demonstrates opening a serial port and setting communication parameters. The file descriptor obtained from opening the serial port ( /dev/ttyS0 ) is used for communication. &tty) != 0) perror("tcsetattr")

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Com Top: Serialfd

if (tcsetattr(fd, TCSANOW, &tty) != 0) perror("tcsetattr"); return -1;

// Example read char buffer[256]; read(fd, buffer, 256);

close(fd); return 0;

#include <fcntl.h> #include <termios.h> #include <unistd.h>

This example demonstrates opening a serial port and setting communication parameters. The file descriptor obtained from opening the serial port ( /dev/ttyS0 ) is used for communication.