command_set_failure_mode
command_set_failure_mode(cmd, COMMAND_FAILURE_IGNORE);
command_set_failure_mode(cmd, COMMAND_FAILURE_IGNORE);
command_set_failure_mode(cmd, COMMAND_FAILURE_WARN);
command_set_failure_mode(cmd, COMMAND_FAILURE_WARN);
command_set_failure_mode(cmd, COMMAND_FAILURE_IGNORE);
void command_set_failure_mode(struct command *, int);