Which of these functions is safer to use : fgets(), gets()? Why?
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34.what are bitwise shift operators? 35.what are bit fields? What is the use of bit fields in a structure declaration? 36.what is the size of an integer variable? 37.what are the files which are automatically opened when a c file is executed? 38.what is the little endian and big endian? 39.what is the use of fflush() function? 40.what is the difference between exit() and _exit() functions? 41.where does malloc() function get the memory? 42.what is the difference between malloc() and calloc() function? 43.what is the difference between postfix and prefix unary increment operators?
WAP to accept rollno,course name & marks of a student & display grade if total marks is above 200?
What is uint8 in c?
#define MAX(x,y) (x) > (y) ? (x) : (y) main() { int i = 10, j = 5, k = 0; k = MAX(i++, ++j); printf("%d %d %d", i,j,k); } what will the values of i , j and k? }
14 Answers CDAC, GATE, NDS, TCS,
1.int a=10; 2.int b=20; 3. //write here 4.b=30; Write code at line 3 so that when the value of b is changed variable a should automatically change with same value as b. 5.
What is volatile c?
#include<stdio.h> 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
which one is better structure or union?(other than the space occupied )
what are the advantages & disadvantages of unions?
Tell me what is the purpose of 'register' keyword in c language?
What is wrong with this statement? Myname = 'robin';
What's wrong with the call "fopen ("c:\newdir\file.dat", "r")"?