Standard Library Functions - C Programming MCQ Questions and Answers

A. Converts a character to lowercase

B. Converts a character to uppercase

C. Removes leading spaces from a string

D. Converts a string to lowercase

A. fclose()

B. close()

C. endfile()

D. fileclose()

A. The character read from the standard input

B. A random integer

C. -1

D. 0

A. math.h

B. stdlib.h

C. cmath.h

D. algorithm.h

A. Reads a character from the standard input without echoing

B. Reads a character from the standard input with echoing

C. Copies one string to another

D. Compares two strings

A. Converts a character to uppercase

B. Converts a character to lowercase

C. Removes trailing spaces from a string

D. Converts a string to uppercase

A. sqrt()

B. sqrtr()

C. sqrtroot()

D. squareroot()

A. Checks if a character is alphabetic

B. Checks if a character is numeric

C. Checks if a character is a special character

D. Checks if a character is uppercase

A. fopen()

B. openfile()

C. readfile()

D. closefile()

A. Calculates the absolute value of an integer

B. Finds the maximum value in an array

C. Converts a string to lowercase

D. Calculates the square root of a number