Eroare de compilare: user.c: In function ‘main’: user.c:14:5: error: unknown type name ‘File’ File *in=fopen("alohomora.in","r"), *out=fopen("alohomora.out","w"); ^ user.c:14:14: warning: initialization from incompatible pointer type [-Wincompatible-pointer-types] File *in=fopen("alohomora.in","r"), *out=fopen("alohomora.out","w"); ^ user.c:14:46: warning: initialization from incompatible pointer type [-Wincompatible-pointer-types] File *in=fopen("alohomora.in","r"), *out=fopen("alohomora.out","w"); ^ user.c:16:11: warning: passing argument 1 of ‘fscanf’ from incompatible pointer type [-Wincompatible-pointer-types] fscanf(in,"%d",&teste); ^ In file included from /usr/include/features.h:367:0, from /usr/include/stdio.h:27, from user.c:1: /usr/include/stdio.h:443:12: note: expected ‘FILE * restrict {aka struct _IO_FILE * restrict}’ but argument is of type ‘int *’ extern int __REDIRECT (fscanf, (FILE *__restrict __stream, ^ user.c:19:12: warning: passing argument 1 of ‘fscanf’ from incompatible pointer type [-Wincompatible-pointer-types] fscanf(in,"%d%d%d",&n,&m,&k); ^ In file included from /usr/include/features.h:367:0, from /usr/include/stdio.h:27, from user.c:1: /usr/include/stdio.h:443:12: note: expected ‘FILE * restrict {aka struct _IO_FILE * restrict}’ but argument is of type ‘int *’ extern int __REDIRECT (fscanf, (FILE *__restrict __stream, ^ user.c:29:16: warning: passing argument 1 of ‘fscanf’ from incompatible pointer type [-Wincompatible-pointer-types] fscanf(in,"%d%d",&cheie[j].rang,&cheie[j].index); ^ In file included from /usr/include/features.h:367:0, from /usr/include/stdio.h:27, from user.c:1: /usr/include/stdio.h:443:12: note: expected ‘FILE * restrict {aka struct _IO_FILE * restrict}’ but argument is of type ‘int *’ extern int __REDIRECT (fscanf, (FILE *__restrict __stream, ^ user.c:34:16: warning: passing argument 1 of ‘fscanf’ from incompatible pointer type [-Wincompatible-pointer-types] fscanf(in,"%d%d",&seif[j].rang,&seif[j].index); ^ In file included from /usr/include/features.h:367:0, from /usr/include/stdio.h:27, from user.c:1: /usr/include/stdio.h:443:12: note: expected ‘FILE * restrict {aka struct _IO_FILE * restrict}’ but argument is of type ‘int *’ extern int __REDIRECT (fscanf, (FILE *__restrict __stream, ^ user.c:96:13: warning: passing argument 1 of ‘fprintf’ from incompatible pointer type [-Wincompatible-pointer-types] fprintf(out,"%d\n",output[i]); ^ In file included from /usr/include/stdio.h:936:0,