midex_it1103

Which function calculates the square root of a number?

• pow

• sqrt

• sin

• cos

Which function finds the first occurrence of a substring in a string?

• strcpy

• strchr

• strstr

• strcat

Which function searches for a character within a string?

• strstr

• strcat

• strchr

• strcpy

What does strcmp return if two strings are identical?

• 0

• -1

• 1

• NULL

Which function appends one string to the end of another?

• strcat

• strcpy

• strlen

• strcmp

Which of the following strcpy is used for?

• To concatenate two strings

• To copy one string to another

• To compare two strings

• To find the length of a string

Which function returns the length of a string excluding the null terminator?

• strcpy

• strcat

• strlen

• strcmp

Which function would return a non-zero value if the character is uppercase?

• isalpha

• isupper

• tolower

• isprint

What is the use of isspace?

• To check if a character is a control character

• To check if a character is whitespace

• To convert whitespace characters to printable characters

• To check if a character is alphanumeric

Which function checks if a character is a punctuation symbol?

• ispunct

• isspace

• isprint

• isalpha