Eroare de compilare: main.c:6:3: error: expected specifier-qualifier-list before 'trie_node' trie_node() ^~~~~~~~~ main.c:20:16: error: unknown type name 'trie_node' void trie_add( trie_node *node, char *p ) { ^~~~~~~~~ main.c:33:1: error: unknown type name 'trie_node' trie_node* trie_delete( trie_node *node, char *p ) { ^~~~~~~~~ main.c:33:1: note: use 'struct' keyword to refer to the type main.c:33:25: error: unknown type name 'trie_node' trie_node* trie_delete( trie_node *node, char *p ) { ^~~~~~~~~ main.c:50:17: error: unknown type name 'trie_node' int trie_search(trie_node *node, char *p) { ^~~~~~~~~ main.c:61:19: error: unknown type name 'trie_node' int trie_maxPref( trie_node *node, char *p, int d ) { ^~~~~~~~~ main.c: In function 'main': main.c:83:13: error: 'new' undeclared (first use in this function) root = new trie_node; ^~~ main.c:83:13: note: each undeclared identifier is reported only once for each function it appears in main.c:83:17: error: expected ';' before 'trie_node' root = new trie_node; ^~~~~~~~~ main.c:85:4: warning: implicit declaration of function 'trie_add' [-Wimplicit-function-declaration] trie_add( root, str ); ^~~~~~~~ main.c:88:4: warning: implicit declaration of function 'trie_delete' [-Wimplicit-function-declaration] trie_delete( root, str ); ^~~~~~~~~~~ main.c:91:27: warning: implicit declaration of function 'trie_search' [-Wimplicit-function-declaration] fprintf( fout, "%d\n", trie_search( root, str ) ); ^~~~~~~~~~~ main.c:94:27: warning: implicit declaration of function 'trie_maxPref' [-Wimplicit-function-declaration] fprintf( fout, "%d\n", trie_maxPref( root, str, 0 ) ); ^~~~~~~~~~~~ main.c:78:2: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%s", str ); ^~~~~~~~~~~~~~~~~~~~~~~~ Non zero exit status: 1