31. The three macros defined by stdarg.h is . . . . . . . .
32. . . . . . . . . macro must be called before using . . . . . . . . and . . . . . . . .
33. Point out the error (if any) in the following C code?
#include <stdlib.h>
#include <stdio.h>
int main(void)
{
int* p = NULL;
struct S *s = NULL;
void(*f)(int, double) = NULL;
char *ptr = malloc(15);
if (ptr == NULL) printf("Out of memory");
free(ptr);
}
#include <stdlib.h>
#include <stdio.h>
int main(void)
{
int* p = NULL;
struct S *s = NULL;
void(*f)(int, double) = NULL;
char *ptr = malloc(15);
if (ptr == NULL) printf("Out of memory");
free(ptr);
}34. What will be the output of the following C code if the system date is 6/2/2017 (Friday)?
#include<stdio.h>
#include<time.h>
int main()
{
struct tm *ptr;
time_t t;
char str[100];
t = time(NULL);
ptr = localtime(&t);
strftime(str,100,"%A",ptr);
puts(str);
return 0;
}
#include<stdio.h>
#include<time.h>
int main()
{
struct tm *ptr;
time_t t;
char str[100];
t = time(NULL);
ptr = localtime(&t);
strftime(str,100,"%A",ptr);
puts(str);
return 0;
}35. Which macro sets everything defined under locale. h?
36. The void longjmp( jmp-buf env, int val) function causes setjmp() macro to return . . . . . . . . value; if val is 0.
37. Which of the following functions is used to convert the date and time into a calendar format?
38. What does raise functions declared in signal.h do?
39. Which function converts the wide-character string to a multibyte string?
40. Select the macro that abnormally terminates the program.
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