What does this call to strcmp return?
x = strcmp( "abcd", "xxx" );
a.1
b. something > 0
c.-1
d. 0
e. something < 0

The correct for the given question is option(c) i.e .-1.

Explanation:

Strcmp() function is used to compare the two string .it compare the string character by character strcmp() function return the three value on comparison.

(1) if string 1 is equal to string 2  it return 0;

(2) it return>0 if  string1  has greater ASCII value than string 2

(3) it return <0 if  string1  has smaller ASCII value than string 2

In the given code strcmp returns -1 value the ASCII code of character 'A' has smaller then ASCII code  'X';

Following are the program of given code

#include<stdio.h>// header file

#include<string.h>

int main() // main method

{

 char x;

x =strcmp( "ABCD", "XXX" );

printf("%d",x);

return 0;

}

Output:-1

thermostat, ac

explanation: