Eroare de compilare: user.c:6:2: error: unknown type name ‘N’ N *f[26]; ^ user.c:7:2: error: expected specifier-qualifier-list before ‘N’ N() { c=n=0,memset(f,0,sizeof(f)); } ^ user.c:10:1: error: unknown type name ‘N’ N *t=(N*)malloc(sizeof(N)); ^ user.c:10:7: error: ‘N’ undeclared here (not in a function) N *t=(N*)malloc(sizeof(N)); ^ user.c:10:9: error: expected expression before ‘)’ token N *t=(N*)malloc(sizeof(N)); ^ user.c:11:8: error: expected declaration specifiers or ‘...’ before ‘N’ void A(N *s,char *l) { ^ user.c:20:7: error: expected declaration specifiers or ‘...’ before ‘N’ int D(N *s,char *l) { ^ user.c:31:7: error: expected declaration specifiers or ‘...’ before ‘N’ int C(N *s,char *l) { ^ user.c:38:7: error: expected declaration specifiers or ‘...’ before ‘N’ int E(N *s,char *l,int k) { return (*l=='\n'||!s->f[*l-'a'])?k:E(s->f[*l-'a'],l+1,k+1); } ^ user.c: In function ‘main’: user.c:44:10: warning: implicit declaration of function ‘A’ [-Wimplicit-function-declaration] A(t,l+2); ^ user.c:46:13: warning: implicit declaration of function ‘D’ [-Wimplicit-function-declaration] D(t,l+2); ^ user.c:48:13: warning: implicit declaration of function ‘C’ [-Wimplicit-function-declaration] printf("%d\n",C(t,l+2)); ^ user.c:50:13: warning: implicit declaration of function ‘E’ [-Wimplicit-function-declaration] printf("%d\n",E(t,l+2,0)); ^ user.c:40:9: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("trie.in","r",stdin),freopen("trie.out","w",stdout); ^ user.c:40:38: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("trie.in","r",stdin),freopen("trie.out","w",stdout); ^ user.c:42:14: warning: ignoring return value of ‘fgets’, declared with attribute warn_unused_result [-Wunused-result] fgets(l,32,stdin); ^