parsecmd
while ((n = parsecmd(0)) != NEOF) {
n = parsecmd(inter);
union node *parsecmd(int);
static cmd_t parsecmd(int ac, char **av, int *globokp);
cmd = parsecmd(nvmei, av, &globok);
while (parsecmd(diffpipe, file1, file2) != EOF)
static int parsecmd(FILE *, FILE *, FILE *);