Eroare de compilare: user.c: In function ‘lastDigit’: user.c:31:6: warning: unused variable ‘x’ [-Wunused-variable] int x=0; ^ user.c: In function ‘main’: user.c:41:2: error: invalid initializer FILE *fileRead=fopen("cifra.in","r"),fileWrite=fopen("cifra.out","w"); ^ user.c:42:2: warning: format ‘%d’ expects argument of type ‘int *’, but argument 3 has type ‘long long int *’ [-Wformat=] fscanf(fileRead,"%d",&T); ^ user.c:49:3: error: incompatible type for argument 1 of ‘fprintf’ fprintf(fileWrite,"%d\n",result); ^ In file included from /usr/include/stdio.h:934:0, from user.c:1: /usr/include/i386-linux-gnu/bits/stdio2.h:96:1: note: expected ‘struct FILE * restrict’ but argument is of type ‘FILE’ fprintf (FILE *__restrict __stream, __const char *__restrict __fmt, ...) ^ user.c:52:2: error: incompatible type for argument 1 of ‘fclose’ fclose(fileWrite); ^ In file included from user.c:1:0: /usr/include/stdio.h:238:12: note: expected ‘struct FILE *’ but argument is of type ‘FILE’ extern int fclose (FILE *__stream); ^ user.c:42:8: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fileRead,"%d",&T); ^ user.c:44:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fileRead,"%s",n); ^