Eroare de compilare: main.c: In function 'main': main.c:104:11: warning: implicit declaration of function 'read' [-Wimplicit-function-declaration] iindex = read(0, input, 2000000); ^~~~ main.c:106:3: error: 'op' undeclared (first use in this function) op = input[i]; ^~ main.c:106:3: note: each undeclared identifier is reported only once for each function it appears in main.c:127:10: error: too few arguments to function 'prefix' nr = prefix(T, s); ^~~~~~ main.c:61:5: note: declared here int prefix(TrieNode *node, char *s, int k) { ^~~~~~ main.c:134:2: warning: implicit declaration of function 'write' [-Wimplicit-function-declaration] write(1, output, oindex); ^~~~~ main.c:80:7: warning: unused variable 'line' [-Wunused-variable] char line[ 32 ]; ^~~~ main.c:84:5: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen( "trie.in", "r", stdin ); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:85:2: warning: ignoring return value of 'freopen', declared with attribute warn_unused_result [-Wunused-result] freopen( "trie.out", "w", stdout ); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Non zero exit status: 1