Q141
Open questionWhich of the following macro extracts an argument from the variable argument list (ie ellipsis) and advance the pointer to the next argument?
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C Programming · all questionsFile Input Output
File Input Output
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Questions
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Q142
Open questioncalloc() initialize memory with all bits set to zero.
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Q143
Open questionWhich of the following snippet will effectively generate random numbers?
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Q144
Open questionThe statement prog < infile causes . . . . . . . .
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Q145
Open questionWhat is the use of getchar()?
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Q146
Open questionWhat will be the output of the following C code?
#include <stdio.h>
#include <stdarg.h>
int f(...);
int main()
{
char c = 97;
f(c);
return 0;
}
int f(...)
{
va_list li;
char c = va_arg(li, char);
printf("%c\n", c);
}Select an option to see the answer and solution.
Q147
Open questionWhich of the following data-types are promoted when used as a parameter for an ellipsis?
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Q148
Open questionWhat is the value of EOF?
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Q149
Open questionWhich of these is a correct way to generate numbers between 0 to 1(inclusive) randomly?
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Q150
Open questionlog(x) function defined in math.h header file is . . . . . . . .
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Q151
Open questionungetc() may be used with . . . . . . . .
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Q152
Open questionWhat will be the output of the following C code?
#include <stdio.h>
#include <math.h>
void main()
{
int k = sqrt(-4);
printf("%d\n", k);
}Select an option to see the answer and solution.
Q153
Open questionstdout, stdin and stderr are . . . . . . . .
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Q154
Open questionWhat will be the output of the following C code?
#include <stdio.h>
#include <ctype.h>
int main()
{
char i = 9;
if (isdigit(i))
printf("digit\n");
else
printf("not digit\n");
return 0;
}Select an option to see the answer and solution.
Q155
Open questionWhich of the following causes an error?
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Q156
Open questionWhich header file includes a function for variable number of arguments?
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Q157
Open questionfputs() adds newline character.
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Q158
Open questionFor binary files, a . . . . . . . . must be appended to the mode string.
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Q159
Open questionThe type va_list in an argument list is used . . . . . . . .
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Q160
Open questionThe standard header . . . . . . . . is used for variable list arguments (...) in C.
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