Eroare de compilare: user.c: In function ‘Date’: user.c:13:17: warning: implicit declaration of function ‘calloc’ [-Wimplicit-function-declaration] v = (struct gutui*)calloc(*N,sizeof(struct gutui)); ^ user.c:13:24: warning: incompatible implicit declaration of built-in function ‘calloc’ [enabled by default] v = (struct gutui*)calloc(*N,sizeof(struct gutui)); ^ user.c:10:9: warning: unused variable ‘max_gutui’ [-Wunused-variable] int max_gutui,i; ^ user.c: In function ‘scrieDate’: user.c:22:6: error: ‘f’ undeclared (first use in this function) *f = fopen("gutui.out","w"); ^ user.c:22:6: note: each undeclared identifier is reported only once for each function it appears in user.c:23:6: warning: passing argument 1 of ‘fprintf’ from incompatible pointer type [enabled by default] fprintf("%d",s); ^ In file included from user.c:1:0: /usr/include/stdio.h:333:12: note: expected ‘struct FILE * restrict’ but argument is of type ‘char *’ extern int fprintf (FILE *__restrict __stream, ^ user.c:23:6: warning: passing argument 2 of ‘fprintf’ makes pointer from integer without a cast [enabled by default] fprintf("%d",s); ^ In file included from user.c:1:0: /usr/include/stdio.h:333:12: note: expected ‘const char * restrict’ but argument is of type ‘int’ extern int fprintf (FILE *__restrict __stream, ^ user.c: In function ‘main’: user.c:30:22: warning: incompatible implicit declaration of built-in function ‘calloc’ [enabled by default] vecGutui = (int*)calloc((H/U+1),sizeof(int)); ^