C Programming Practice Test 9

1. Which of the given function differs from the statement'errno is not neccessarily set on conversion error'?

atol()

atoi()

atof()

strtod()

2. Select the macro that abnormally terminates the program.

SIGILL

SIGTERM

SIGABRT

SIGFPE

3. Which function converts the wide-character string to a multibyte string?

wcstombs()

mbstowcs()

mbtowc()

mblen()

4. Correct code to turn assertions ON at various places throughout a source file is _________

#undef NDEBUG 
#include

#define NDEBUG 
#include

#undef NDEBUG 
#include

#define NDEBUG 
#include

5. What does raise functions declared in signal.h do?

let's you specify handling of signals

reports a synchronous signal

doesn't let you specify handling of signals

reports a asynchronous signal

6. The _______ macro shall be invoked before any access to the unnamed arguments.

va_list

va_end

va_arg

va_start

7. Which function searches an environmenr list that are provided by the host environment?

getenv()

system()

rand()

srand()

8. Which of the given option is declared under the header file stdlib.h?

CLOCKS_PER_SEC

EXIT_SUCCESS

SEEK_END

SEEK_CUR

9. The purpose of the function ctime() is that ___________

it returns a void string

it returns a string representing the time in UTC format

it returns a string representing the time stored in a structure

it returns a string representing the local time

10. Which is the correct declaration of macro assert?

void assert(float expression);

void assert( expression);

void assert(int expression);

void assert(double expression);