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This page displays the COHERENT manpage for tcgetattr() [Get terminal attributes].
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tcgetattr() -- termios Macro (termios.h) Get terminal attributes #include <termios.h> int tcgetattr (fd, termios_p); int fd; struct termios *termios_p; The termios macro tcgetattr() gets the parameters for the terminal device described by file descriptor fd, and stores them in the termios structure to which termios_p points. ttcgetattr() can be called from a background process. Please note, however, a foreground process can subsequently change the terminal device's attributes, which renders obsolete the information in termios_p. If all goes well, tcgetattr() returns zero. If a problem occurs, it returns -1 and sets errno to an appropriate value, as follows: EBADF fd is not a valid file descriptor. ENOTTY fd does not describe a terminal device. See Also tcsetattr(), termios POSIX Standard, §7.2.1