Pointer and Structure in C · Programming Languages · GATE CSE

Consider the following C function definition. int fX(char *a) { char *b = a; while(*b) b++; return b - a; } Which of the fol...

What is printed by the following ANSI C program? #include <stdio.h> int main(int argc, char *argv[ ]) { int x = 1, z[2] = {10, 11}; int ...

Consider the following ANSI C program. #include<stdio.h> int main(){ int arr[4][5]; int i, j; for(i =0; i<4; i++){ for (j =0; j<5; j...

Consider the following C program : #include < stdio.h > int main () { int arr [] = {1,2,3,4,5,6,7,8,9,0,1,2,5}, *ip = arr+4; ...

Consider the following C program. #include< stdio.h > struct Ournode{ char x,y,z; }; int main(){ struct Ournode p = {'1', '0', 'a'+2}; struct...

Consider the following C program void f(int, short); void main() { int i = 100; short s = 12; short *p = &s; __________ ; // ca...

Consider the following C program. #include < stdio.h > void mystery(int *ptra, int *ptrb) { int *temp; temp = ptrb; ptrb = ptra;...

The output of the following C program is__________. void f1(int a, int b) { int c; c=a; a=b; b=c; } void f2(int *a, int *b) { int c; c=*a; *a=*...

What does the following fragment of C-program print? char c[ ] = "GATE2011"; char *p = c; printf("%s", p + p[3] - p[1]);

What does the following program print? #include < stdio.h > void f (int *p, int *q) { p = q; *p = 2; } int i = 0, j = 1; int main ( ){ ...

What does the following C statement declare? int (*f)(int *);

Consider the following C function: void swap (int a, int b) { int temp; temp = a; a = b; b = temp; } In order to exchange the values of tw...

Assume the following C variable declaration int * A[10], B[10][10]; Of the following expressions I. A[2] II. A[2] [3] III. B[1] IV. B[2] [3] Which wil...

The most appropriate matching for the following pairs X: m=malloc(5); m= NULL; Y: free(n); n->value = 5; Z: char *p; *p='a'; 1: using dangling ...

Consider the following C declaration struct { short s[5]; union { float y; long z; } u; }t; Assume that objects of the t...

The following C declarations struct node{ int i: float j; }; struct node *s[10]; define s to be

What is the output of the following C program? #include <studio.h> int main() {   double a[2]={20.0, 25.0}, *p, *q;   p = a;   q = p + 1;   pri...

Consider the following ANSI C program: #include <stdio.h> #include <stdlib.h> struct Node{ int value; struct Node ⋆next;}; int ...

Consider the following C program: #include < stdio.h > int main() { int a[] = {2, 4, 6, 8, 10} ; int ...

Consider the following C program: #include< stdio.h > void fun1(char *s1, char *s2){ char *tmp; tmp = s1; s1 = s2; s2 = tmp; } void fun2...

What is the output of the following C code? Assume that the address of x is 2000 (in decimal) and an integer requires four bytes of memory. int main (...

Consider the following C code segment. int a, b, c = 0; void prtFun(void); main( ) { static int a = 1; /* Line 1 */ prtFun(); a + = 1; pr...

Consider the following C code segment. int a, b, c = 0; void prtFun(void); main( ) { static int a = 1; /* Line 1 */ prtFun(); a + = 1; pr...

What is printed by the following C program? #include < stdio.h > int f(int x, int *py, int **ppz) { int y, z; **ppz += 1; z = **ppz; ...

Consider this C code to swap two integers and these five statements: void swap(int *px, int *py) { *px = *px - *py; *py = *px + *py; *...

Consider the following C program segment: char p[20]; char *s = "string"; int length = strlen(s); for(i=0; i < length; i++) p[i] = s[length-i]; p...

Consider the C program shown below. #include < stdio.h > #define print(x) printf("%d ", x) int x; void Q(int z) { z += x; print(z); } void P(...

Consider the following three C functions: [P1] int*g(void) { int x=10; return(&x); } [P2] int*g(void) { int...

Consider the following C program: void abc(char *s) { if(s[0]=='\0') return; abc(s+1); abc(s+1); printf("%c",s[0]); } main() { abc("12...