Answer Posted / kalyani.p.v

call by value:The called function sends its value as
argument to calling function.
Call by reference:The calling function sends address of
variable to the called functin.

What functions are used for dynamic memory allocation in c language?

1212

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What are the main characteristics of c language describe the structure of ac program?

1264

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What’s a signal? Explain what do I use signals for?

1156

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Why pointers are used in c?

1070

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What happens if a header file is included twice?

1076

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What is oops c?

1340

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What are the keywords in c?

1173

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What is a pointer in c plus plus?

1384

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Is null always equal to 0(zero)?

1097

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What is the best way to store flag values in a program?

1123

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What is exit() function?

1070

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main() { struct s1 { char *str; struct s1 *ptr; }; static struct s1 arr[] = { {"Hyderabad",arr+1}, {"Bangalore",arr+2}, {"Delhi",arr} }; struct s1 *p[3]; int i; < BR> for(i=0;i<=2;i++) p[i] = arr[i].ptr; printf("%s ",(*p)->str); printf("%s ",(++*p)->str); printf("%s ",((*p)++)->str); }

1509

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What are the advantages of using Unions?

1170

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What are the types of assignment statements?

1111

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Can you please explain the difference between malloc() and calloc() function?

1181

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