find_var
static struct var *find_var(const char *, struct var ***, int *);
if (find_var(ip->text, &vpp, &vp->name_len) != NULL)
if (find_var("PS1", &vpp, &vps1.name_len) == NULL) {
vp = find_var(s, &vpp, &nlen);
v = find_var(name, NULL, NULL);
v = find_var(name, NULL, NULL);
vp = find_var(name, NULL, NULL);
vp = find_var(name, &vpp, NULL);
vp = find_var(s, &vpp, NULL);
if((i = find_var(l, p, r - p + 1)) >= 0) {
v = find_var(name);
static variable_t *find_var(char *);
v = find_var(s);