c_lflag           539 src/subshell/common.c         raw_mode.c_lflag &= ~ICANON;  // Disable line-editing chars, etc.
c_lflag           540 src/subshell/common.c         raw_mode.c_lflag &= ~ISIG;    // Disable intr, quit & suspend chars
c_lflag           541 src/subshell/common.c         raw_mode.c_lflag &= ~ECHO;    // Disable input echoing