Library Functions

Q1: Can you use the fprintf() to display the output on the screen?

A Yes

B No

Q2: Do like this fprintf(stdout, "%s %d %f", str, i, a);

A returns a random number.

B returns a random number generator in the specified range.

C returns a random number generator with a random value based on time.

D return a random number with a given seed value.

Q3: What will the function rewind() do?

A Reposition the file pointer to a character reverse.

B Reposition the file pointer stream to end of file.

C Reposition the file pointer to begining of that line.

D Reposition the file pointer to begining of file.

Q4: What is the purpose of fflush() function.

A flushes all streams and specified streams.

B flushes only specified stream.

C flushes input/output buffer.

D flushes file buffer.

Q5: What is stderr ?

A standard error

B standard error types

C standard error streams

D standard error definitions

Q6: Input/output function prototypes and macros are defined in which header file?

A conio.h

B stdlib.h

C stdio.h

D dos.h

Q7: Does there any function exist to convert the int or float to a string?

A Yes

B No

Q8: Which standard library function will you use to find the last occurance of a character in a string in C?

A strnchar()

B strchar()

C strrchar()

D strrchr()


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