background
init(background);
init(int background)
if (background)
int background = 0;
background = 1;
background = 0;
background = 1;
if (background) {
int value, ch, s, fd, background, norecv;
background = 0;
background = 1;
if (background) {
int value, ch, s, fd, background, norecv;
start_helper(int background)
if (background) {
int c, i, background, unit;
background = 1;
background = 0;
if (!start_helper(background))
if (background) {
bgpid = background();
if ((pid = background()) == 0) {
if ((p->pid = background())) {
extern pid_t background(void);
extern int background;
background = TRUE;
int background = FALSE;
if (background) { \
if (background) \