ftok
if ((key = ftok(m2_file, 38)) == (key_t) -1) {
if ((objkey = ftok(obj, 0)) == (key_t)-1) {
if ((key = ftok(eventmsgfile, 0)) == -1) {
if ((key = ftok(eventmsgfile, 0)) == -1)
if ((key = ftok(eventmsgfile, 0)) == -1) {
if ((key = ftok(eventmsgfile, 0)) != -1 &&
key_t ftok(), shm_key;
shm_key = ftok(invname, 2);
key_t ftok(const char *, int);