#include #include #include "config.h" /** * list - double linked list routines * * The list header contains routines for manipulating double linked lists. * It defines two types: struct list_head used for anchoring lists, and * struct list_node which is usually embedded in the structure which is placed * in the list. * * Example: * #include * #include * #include * #include * * struct parent { * const char *name; * struct list_head children; * unsigned int num_children; * }; * * struct child { * const char *name; * struct list_node list; * }; * * int main(int argc, char *argv[]) * { * struct parent p; * struct child *c; * unsigned int i; * * if (argc < 2) * errx(1, "Usage: %s parent children...", argv[0]); * * p.name = argv[1]; * list_head_init(&p.children); * for (i = 2; i < argc; i++) { * c = malloc(sizeof(*c)); * c->name = argv[i]; * list_add(&p.children, &c->list); * p.num_children++; * } * * printf("%s has %u children:", p.name, p.num_children); * list_for_each(&p.children, c, list) * printf("%s ", c->name); * printf("\n"); * return 0; * } * * License: LGPL (v2.1 or any later version) * Author: Rusty Russell */ int main(int argc, char *argv[]) { if (argc != 2) return 1; if (strcmp(argv[1], "depends") == 0) { printf("ccan/container_of\n"); return 0; } return 1; }