Compilare: user.c: In function ‘main’: user.c:60:5: warning: pointer targets in passing argument 1 of ‘Ciur’ differ in signedness [-Wpointer-sign] Ciur(v,b); ^ user.c:4:6: note: expected ‘unsigned char *’ but argument is of type ‘char *’ void Ciur(unsigned char v[], int b) ^ user.c:61:5: warning: pointer targets in passing argument 1 of ‘DifPrim’ differ in signedness [-Wpointer-sign] ok=DifPrim(v,a,b,&prim1,&prim2); ^ user.c:19:5: note: expected ‘unsigned char *’ but argument is of type ‘char *’ int DifPrim(unsigned char v[], int a, int b,int *prim1, int *prim2) ^ user.c:58:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&a,&b); ^