Eroare de compilare: main.c: In function 'main': main.c:11:12: error: 'PF' undeclared (first use in this function); did you mean 'pf'? 11 | fscanf(PF, "%d", &T); | ^~ | pf main.c:11:12: note: each undeclared identifier is reported only once for each function it appears in main.c:15:9: error: unknown type name 'bool' 15 | bool a =true; | ^~~~ main.c:3:1: note: 'bool' is defined in header '<stdbool.h>'; did you forget to '#include <stdbool.h>'? 2 | #include <stdlib.h> +++ |+#include <stdbool.h> 3 | main.c:15:17: error: 'true' undeclared (first use in this function) 15 | bool a =true; | ^~~~ main.c:15:17: note: 'true' is defined in header '<stdbool.h>'; did you forget to '#include <stdbool.h>'? main.c:18:26: warning: format '%d' expects argument of type 'int *', but argument 3 has type 'int' [-Wformat=] 18 | fscanf(pf, "%d", v[i]); | ~^ ~~~~ | | | | | int | int * main.c:20:15: error: 'false' undeclared (first use in this function) 20 | a=false; | ^~~~~ main.c:20:15: note: 'false' is defined in header '<stdbool.h>'; did you forget to '#include <stdbool.h>'? main.c:23:21: warning: passing argument 1 of 'fprintf' from incompatible pointer type [-Wincompatible-pointer-types] 23 | fprintf("DA\n"); | ^~~~~~ | | | char * In file included from main.c:1: /usr/include/stdio.h:350:38: note: expected 'FILE * restrict' but argument is of type 'char *' 350 | extern int fprintf (FILE *__restrict __stream, | ~~~~~~~~~~~~~~~~~^~~~~~~~ main.c:23:13: error: too few arguments to function 'fprintf' 23 | fprintf("DA\n"); | ^~~~~~~ /usr/include/stdio.h:350:12: note: declared here 350 | extern int fprintf (FILE *__restrict __stream, | ^~~~~~~ main.c:25:13: warning: implicit declaration of function 'fprinf'; did you mean 'fprintf'? [-Wimplicit-function-declaration] 25 | fprinf("NU\n"); | ^~~~~~ | fprintf main.c:7:11: warning: unused variable 'pfo' [-Wunused-variable] 7 | FILE *pfo = fopen("chat.out","w"); | ^~~ Non zero exit status: 1