what is the purpose of the following code, and is there any problem with the code? void fn(long* p1, long* p2) { register int x = *p1; register int y = *p2; x ^= y; y ^= x; x ^= y; *p1 = x; *p2 = y; }

1 Answers   Google,

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What is the difference between char a[] = "string"; and char *p = "string"; ?

14 Answers   Adobe, Honeywell, TCS,

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main() { char as[] = "\\0\0"; int i = 0; do{ switch( as[i++]) {case '\\' : printf("A"); break; case 0 : printf("B"); break; default : printf("C"); break; }} while(i<3); }

4 Answers   Vector, Vector India,

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int x=sizeof(!5.856); What will value of variable x?

2 Answers  

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wap in c to accept n number display the highest and lowest value

2 Answers  

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swap 2 numbers without using third variable?

0 Answers   IBS,

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How many identifiers are there in c?

0 Answers  

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Can the sizeof operator be used to tell the size of an array passed to a function?

0 Answers  

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What is the scope of global variable in c?

0 Answers  

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Write a C program to check a number even or odd, without using any relational, arithmetic operator and any loops.

1 Answers  

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What is null in c?

0 Answers  

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Where static variables are stored in c?

0 Answers  

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