Why pointers are used?

0 Answers  

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#include<stdio.h> #include<conio.h> int main() { int a[4][4]={{5,7,5,9}, {4,6,3,1}, {2,9,0,6}}; int *p; int (*q)[4]; p=(int*)a; q=a; printf("\n%u%u",p,q); p++; q++; printf("\n%u%u",p,q); getch(); return 0; } what is the meaning of this program?

2 Answers  

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Why main function is special give two reasons?

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What is the heap in c?

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When should the const modifier be used?

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main() { int i; printf("%d",i^i); }

1 Answers  

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How do you convert a decimal number to its hexa-decimal equivalent.Give a C code to do the same

0 Answers   Amazon,

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What is a char in c?

0 Answers  

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typedef struct{ char *; nodeptr next; } * nodeptr ; What does nodeptr stand for?

0 Answers   Wilco,

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what will the following program do? void main() { int i; char a[]="String"; char *p="New Sring"; char *Temp; Temp=a; a=malloc(strlen(p) + 1); strcpy(a,p); //Line no:9// p = malloc(strlen(Temp) + 1); strcpy(p,Temp); printf("(%s, %s)",a,p); free(p); free(a); } //Line no 15// a) Swap contents of p & a and print:(New string, string) b) Generate compilation error in line number 8 c) Generate compilation error in line number 5 d) Generate compilation error in line number 7 e) Generate compilation error in line number 1

1 Answers   IBM,

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what is dangling pointer?

1 Answers   LG Soft,

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What are Storage Classes in C ?

32 Answers   CTS, HP, IBM, Maharaja Whiteline, Tamil Nadu Open University TNOU, TATA, TCS, Wipro,

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