What is the output of the following program?
#include<stdio.h> void main() { printf(4+"TechEpi\t"); printf("TechEpi"+4); }
#include<stdio.h>
void
main()
{
printf
(4+
"TechEpi\t"
);
("
TechEpi
}
Which of the following statements are true? P. Pointer to Array Q. Multi-dimensional array
Point out the error in the program?
struct emp { int ecode; struct emp e; };
What will the function rewind() do?
What is the output of below c program?
#include<stdio.h> int main() { displayOut(); return 0; } int displayOut() { printf("Hi from techepi.com\n"); }
#include<stdio.h> int main() { displayOut(); return 0; }
#include<stdio.h> int main() { struct bits { float f:2; }bit; printf("%d\n", sizeof(bit)); return 0; }
#include void main() { char c[]="gate2015"; char *p=c; printf("%s",p+p[3]-p[1]); }
#include
char
c[]=
"gate2015"
;
*p=c;
(
"%s"
,p+p[3]-p[1]);
What is the output of this C code?
#include <stdio.h> union p { int x; float y; }; int main() { union p p, b; p.x = 10; printf("%f\n", p.y); }
Declare the following statement? "A pointer to a function which receives nothing and returns nothing".
What will be the output of the program?
#include<stdio.h> typedef struct error {int warning, err, exception;} ERROR; int main() { ERROR e; e.err=1; printf("%d\n", e.err); return 0; }
#include<stdio.h> #define SQUARE(x) x*x int main() { float s=10, u=30, t=2, a; a = 2*(s-u*t)/SQUARE(t); printf("Result = %f", a); return 0; }
Which bitwise operator is suitable for turning off a particular bit in a number?
#include <stdio.h> #define a 10 int main() { const int a = 5; printf("a = %d\n", a); }
#include<stdio.h> void main() { int x=10,y=20; x=((x>9) && y=30 ? printf("\nTRUE"): printf("\nFALSE")); printf("\ny=%d",y); }
What will the SWAP macro in the following program be expanded to on preprocessing? will the code compile?
#include<stdio.h> #define SWAP(a, b, c)(c t; t=a, a=b, b=t) int main() { int x=10, y=20; SWAP(x, y, int); printf("%d %d\n", x, y); return 0; }
typedef struct data mystruct; struct data { int x; mystruct *b; };
What is the purpose of fflush() function.
Which operator connects the structure name to its member name?
#include<stdio.h> #define MAN(x, y) ((x)>(y)) ? (x):(y); int main() { int i=10, j=5, k=0; k = MAN(++i, j++); printf("%d, %d, %d\n", i, j, k); return 0; }
What will be the output of the program in DOS (Compiler - Turbo C)?
#include<stdio.h> double i; int main() { (int)(float)(char) i; printf("%d", sizeof((int)(float)(char)i)); return 0; }
Operation “a = a * b + a” can also be written as:
#include<stdio.h> int main() { typedef int LONG; LONG a=4; LONG b=68; float c=0; c=b; b+=a; printf("%d,", b); printf("%f\n", c); return 0; }
struct emp { int ecode; struct emp *e; };
Which of the following are incorrect declarations?
In which stage the following code #include<stdio.h> gets replaced by the contents of the file stdio.h
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