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What are function pointers? Provide an example.
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Answer / nashiinformaticssolutions
Pointers to functions that allow dynamic invocation of functions. Example:
void (*funPtr)(int) = &printNumber;
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Write a program to compute the following 1!+2!+...n!
number 2 plssssss help !!....using array.. turbo c.. create a program that will accept a number and determine if it is a happy number or an unhappy number.. example: enter a number : 7 7*7=49 then 4 and 9 4*4 and 9*9== 16 + 18 gives you 97 then 9 and 7 9*9 and 7*7 == 81 + 49 gives you 130 then 1 and 3 1*1 and 3*3 == 1 + 9 gives you 10 1*1 gives you 1 sample output: 7= 49= 16+81= 97= 81+49=130 =1+9=10 =1 "7 is a happy number" . if the last number is 2 then the number being inputed is not a happy number.
When should a type cast not be used?
How do you determine a file’s attributes?
Explain what is dynamic data structure?
can any one tell that i have a variable which is declared as static but i want this variable to be visible to the other files? how?
Which of the Following is not defined in string.h? A)strspn() B)strerror() C)memchr() D)strod()
#include<std.h> int main() { char *str[]={"Frogs","Do","Not","Die","They","Croak!"}; printf("%d %d\n",sizeof(str),strlen(str)); ...return 0; } what will the output of the above program?
Explain enumerated types.
which of the following statement is wrong a) mes=123.56; b) con='T'*'A'; c) this='T'*20; d) 3+a=b;
What is the output of the program #include<stdio.h> #include<conio.h> void main() {0 int i,j=20; clrscr(); for(i=1;i<3;i++) { printf("%d,",i); continue; printf("%d",j); break; } getch(); }
void main() {int a[5],i,b=16; for(i=0;i<5;i++) a[i]=2*i; f(a,5,b); for(i=0;i<5;i++) printf("\n %d",a[i]); printf("\n %d",b); } f(int *x,int n,int y) { int i; for(i=0;i<n;i++) *(x+i)+=2; y=y+2; }wat r the errors in the prg.and improvise the prg to get o/p.?
C 
