Which of the library function is managed to compare two strings ?a.strlenb.strcatc.strcmpd.strcpy
Question
Which of the library function is managed to compare two strings ?
a. strlen
b. strcat
c. strcmp
d. strcpy
Solution
To determine which library function is used to compare two strings among the options provided, let's analyze each one:
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strlen: This function is used to calculate the length of a string. It does not compare strings.
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strcat: This function is used to concatenate (join) two strings. It also does not compare strings.
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strcmp: This function is specifically designed to compare two strings. It returns 0 if the strings are equal, a negative value if the first string is less than the second, and a positive value if the first string is greater.
-
strcpy: This function is used to copy one string into another. It does not perform any comparison.
Final Answer
The correct answer is c. strcmp, as it is the function that is managed to compare two strings.
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