get_fdinfo
char *get_fdinfo(int fd, const char *key);
memlock = get_fdinfo(fd, "memlock");
frozen_str = get_fdinfo(fd, "frozen");
char *owner_prog_type = get_fdinfo(fd, "owner_prog_type");
char *owner_jited = get_fdinfo(fd, "owner_jited");
memlock = get_fdinfo(fd, "memlock");
frozen_str = get_fdinfo(fd, "frozen");
char *owner_prog_type = get_fdinfo(fd, "owner_prog_type");
char *owner_jited = get_fdinfo(fd, "owner_jited");
memlock = get_fdinfo(fd, "memlock");
memlock = get_fdinfo(fd, "memlock");