Answer Posted / hr@tgksolutions.com

Macros are preprocessor directives defined using #define to create constants or functions.

Write a program to swap two numbers without using a temporary variable?

1112

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the number of measuring units from a arbitrary starting point in a record area or control block to some other point a) branching b) recording pointer c) none d) offset

1088

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What are the output(s) for the following ? #include char *f() {char *s=malloc(8); strcpy(s,"goodbye")} main() { char *f(); printf("%c",*f()='A'); }

1165

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What is the use of function overloading in C?

1150

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What are terms in math?

1031

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What are the 5 data types?

1110

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Explain the use of #pragma exit?

1163

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#include int main(){ int i=10; int *ptr=&i; *ptr=(int *)20; printf("%d",i); return 0; } Output: 20 can anyone explain how came the output is 20

1705

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What are the characteristics of arrays in c?

1037

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Do you know the difference between malloc() and calloc() function?

1042

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How can I open a file so that other programs can update it at the same time?

1169

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How do you determine the length of a string value that was stored in a variable?

1108

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Why main is used in c?

1058

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Why do we need a structure?

1023

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What is #line in c?

1000

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