Answer Posted / hrpynux@gmail.com

The call by reference method of passing arguments to a function copies the address of an argument into the formal parameter. ... It means the changes made to the parameter affect the passed argument. To pass a value by reference, argument pointers are passed to the functions just like any other value.

How can I open files mentioned on the command line, and parse option flags?

587

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Describe the complexity of Binary search, Quicksort and various other sorting and searching techniques..

642

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Why double pointer is used in c?

563

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Which built-in library function can be used to match a patter from the string?

739

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Explain modulus operator.

590

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process by which one bit patten in to another by bit wise operation is? (a) masking, (b) pruning, (c) biting, (d) chopping,

1887

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Explain the use of bit fieild.

706

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What are the types of i/o functions?

677

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What is the heap in c?

637

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Which is better malloc or calloc?

645

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What are data structures in c and how to use them?

669

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Why we use void main in c?

590

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I need testPalindrome and removeSpace #include #define SIZE 256 /* function prototype */ /* test if the chars in the range of [left, right] of array is a palindrome */ int testPalindrome( char array[], int left, int right ); /* remove the space in the src array and copy it over to the "copy" array */ /* set the number of chars in the "copy" array to the location that cnt points t */ void removeSpace(char src[], char copy[], int *cnt); int main( void ) { char c; /* temporarily holds keyboard input */ char string[ SIZE ]; /* original string */ char copy[ SIZE ]; /* copy of string without spaces */ int count = 0; /* length of string */ int copyCount; /* length of copy */ printf( "Enter a sentence:\n" ); /* get sentence to test from user */ while ( ( c = getchar() ) != '\n' && count < SIZE ) { string[ count++ ] = c; } /* end while */ string[ count ] = '\0'; /* terminate string */ /* make a copy of string without spaces */ removeSpace(string, copy, ©Count); /* print whether or not the sentence is a palindrome */ if ( testPalindrome( copy, 0, copyCount - 1 ) ) { printf( "\"%s\" is a palindrome\n", string ); } /* end if */ else { printf( "\"%s\" is not a palindrome\n", string ); } /* end else */ return 0; /* indicate successful termination */ } /* end main */ void removeSpace(char src[], char copy[], int *cnt) { } int testPalindrome( char array[], int left, int right ) { }

2205

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How can I check whether a file exists? I want to warn the user if a requested input file is missing.

652

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How do you redirect a standard stream?

618

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