Complicated Declarations Questions

• What do the following declaration signify? char *arr[10];
• What do the following declaration signify? int (*pf)();
• Declare the following statement? "An array of three pointers to chars".
• What do the following declaration signify? int *f();
• Declare the following statement? "A pointer to a function which receives an int pointer and returns float pointer".
• What do the following declaration signify? char **argv;
• Declare the following statement? "A pointer to a function which receives nothing and returns nothing".
• What do the following declaration signify? char *scr;
• What do the following declaration signify? void *cmp();
• Declare the following statement? "A pointer to an array of three chars".
• What do the following declaration signify? void (*cmp)();
• What do the following declaration signify? int *ptr[30];
• What will be the output of the program in Turbo C? #include<stdio.h> int main() { char near *near *ptr1; char near *far *ptr2; char near *huge *ptr3; printf("%d, %d, %d\n", sizeof(ptr1), sizeof(ptr2), sizeof(ptr3)); return 0; }
• What will be the output of the program? #include<stdio.h> int main() { char huge *near *ptr1; char huge *far *ptr2; char huge *huge *ptr3; printf("%d, %d, %d\n", sizeof(ptr1), sizeof(ptr2), sizeof(ptr3)); return 0; }
• What will be the output of the program (in Turbo C under DOS)? #include<stdio.h> int main() { char huge *near *far *ptr1; char near *far *huge *ptr2; char far *huge *near *ptr3; printf("%d, %d, %d\n", sizeof(ptr1), sizeof(ptr2), sizeof(ptr3)); return 0; }
• What will be the output of the program under DOS? #include<stdio.h> int main() { char huge *near *far *ptr1; char near *far *huge *ptr2; char far *huge *near *ptr3; printf("%d, %d, %d\n", sizeof(ptr1), sizeof(**ptr2), sizeof(ptr3)); return 0; }
• What will be the output of the program? #include<stdio.h> int main() { char far *near *ptr1; char far *far *ptr2; char far *huge *ptr3; printf("%d, %d, %d\n", sizeof(ptr1), sizeof(ptr2), sizeof(ptr3)); return 0; }
• What will be the output of the program? #include<stdio.h> int main() { char huge *near *far *ptr1; char near *far *huge *ptr2; char far *huge *near *ptr3; printf("%d, %d, %d\n", sizeof(ptr1), sizeof(*ptr2), sizeof(**ptr3)); return 0; }
• What will be the output of the program? #include<stdio.h> typedef void v; typedef int i; int main() { v fun(i, i); fun(2, 3); return 0; } v fun(i a, i b) { i s=2; float i; printf("%d,", sizeof(i)); printf(" %d", a*b*s); }
• What will be the output of the program? #include<stdio.h> typedef unsigned long int uli; typedef uli u; int main() { uli a; u b = -1; a = -1; printf("%lu, %lu", a, b); return 0; }