Multiple choice general knowledge

In C, to find out the length of string "hello", what is the correct code?

  1. strlen(hello)

  2. StrLen(hello)

  3. strlen("hello")

  4. strlength("hello")

  5. length("hello")
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C Correct answer
Explanation

In C programming, strlen() is a standard library function from string.h that calculates the length of a string. It requires the string to be passed as an argument with quotes, making strlen("hello") the correct syntax. Options A and B are missing quotes, while D and E are not valid C functions.

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