Library Functions

What will the code display on compiling?

void funccall() 
{ 
   printf("this is funccall\n"); 
}  
void main () 
{   
    atexit(funccall); 
    printf("program starts\n");  
    printf("program ends\n");  
}

Which of the following functions returns a pointer to a string representing the date and time stored in a structure?

It is necessary that for the string functions to work safely the strings must be terminated with '\0'.

The macro definition of INT_MIN is ____________

Point out the error in the following program.

#include
#include

int main()
{
    char str1[] = "Learn through Compscibits\0.com",  str2[120];
    char *p;
    p = (char*) memccpy(str2, str1, 'i', strlen(str1));
    *p = '\0';
    printf("%s", str2);
    return 0;
}

What will be the output of the program?

#include

int main()
{
    int i;
    char c;
    for(i=1; i<=5; i++)
    {
        scanf("%c", &c); /* given input is 'b' */
        ungetc(c, stdout);
        printf("%c", c);
        ungetc(c, stdin);
    }
    return 0;
}

What error occurs if an input argument is outside the domain over which the mathematical function is defined?

_______variable type defined in the header stdlib.h is an integer type of the size of a wide character constant.

Point out the error in the following program.

#include
#include

int main()
{
    char str1[] = "Learn through IndiaBIX\0.com",  str2[120];
    char *p;
    p = (char*) memccpy(str2, str1, 'i', strlen(str1));
    *p = '\0';
    printf("%s", str2);
    return 0;
}

sqrt(x) function is not faster than the apparent equivalent pow(x,0.5).