Answer / manoj ku. dalai

Explaining With the examples.........

1) const char *a="xyz" (string is constant, pointer is not)
*a='x' (error)
a="hi" (legal)

2) char* const a="xyz" (pointer is constant, String is not)
*a='x' (legal)
a="hi" (error)

3) char const *a="xz" (string is constant, pointer is not)
a*='x' (error)
a="hi" (legal)

Answer / susie

Answer :

1. 'const' applies to char * rather than 'a' ( pointer to a
constant char )

*a='F' : illegal

a="Hi" : legal

2. 'const' applies to 'a' rather than to the value of
a (constant pointer to char )

*a='F' : legal

a="Hi" : illegal

3. Same as 1.

Answer / srinivas

The answers for first and third case is fine,but in 2nd
case we cannot assign *a='F',becoz *a points to starting
address of the array you cannot change the value at that
address where the reference to that pointer is lost.

which function is used to clear the buffer stream on gcc? for example: I wrote following code on gcc #include<stdio.h> int main(void) { char ch; int a,b; printf("\nenter two numbers:\t"); scanf("%d%d",&a,&b); printf("enter number is %d and %d",a,b); printf("\nentercharacter:\t"); scanf("%c",&ch); printf("enter character is %c",ch); return 0; } in above progarm ch could not be scan. why?plz tell me solution.

2 Answers  

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#define clrscr() 100 main() { clrscr(); printf("%d\n",clrscr()); }

2 Answers  

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main() { int c[ ]={2.8,3.4,4,6.7,5}; int j,*p=c,*q=c; for(j=0;j<5;j++) { printf(" %d ",*c); ++q; } for(j=0;j<5;j++){ printf(" %d ",*p); ++p; } }

1 Answers  

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#include<stdio.h> #include<conio.h> void main() { int a=(1,2,3,(1,2,3,4); switch(a) { printf("ans:"); case 1: printf("1");break; case 2: printf("2");break; case 3: printf("1");break; case 4: printf("4");break; printf("end"); } getch(); }

0 Answers  

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PROG. TO PRODUCE 1 1 1 1 2 1 1 3 3 1 1 4 6 4 1

1 Answers  

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int i; main(){ int t; for ( t=4;scanf("%d",&i)-t;printf("%d\n",i)) printf("%d--",t--); } // If the inputs are 0,1,2,3 find the o/p

2 Answers  

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main( ) { static int a[ ] = {0,1,2,3,4}; int *p[ ] = {a,a+1,a+2,a+3,a+4}; int **ptr = p; ptr++; printf(“\n %d %d %d”, ptr-p, *ptr-a, **ptr); *ptr++; printf(“\n %d %d %d”, ptr-p, *ptr-a, **ptr); *++ptr; printf(“\n %d %d %d”, ptr-p, *ptr-a, **ptr); ++*ptr; printf(“\n %d %d %d”, ptr-p, *ptr-a, **ptr); }

2 Answers   Persistent,

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void main() { int i=5; printf("%d",i++ + ++i); }

3 Answers  

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source code for delete data in array for c

1 Answers   TCS,

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write a origram swaoing valu without 3rd variable

2 Answers  

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code of a program in c language that ask a number and print its decremented and incremented number.. sample output: input number : 3 321123

1 Answers   HCL,

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main() { extern int i; { int i=20; { const volatile unsigned i=30; printf("%d",i); } printf("%d",i); } printf("%d",i); } int i;

1 Answers  

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