1. Strlen( ) function:
It calculates the length of the given string and returns the number of characters in a string.
Syntax: integer variable = strlen(string);
Ex: length = strlen(“Bharath”);
Output : 7
2. Strcat() Function:
It adds the characters of one string to the end of another string. It is used to join the two strings together.
Syntax: strcat(stringl, string2);
Ex: string1 = ”Bharath” string2 = ”Bhushan”, strcat(stringl, string2);
Output: Bharath Bhushan
3. Strrev() Function:
It reverses the characters in a string.
Syntax: strrev(string);
Ex: strrev(“ABCD”);
Output: DCBA
4. Strlwr() Function
Converts all characters in a string to lower (small letters) case.
Syntax: strlwr(string);
Ex: strlwr(“BHARATH”)
Output: bharath
5. Strupr() Function
Converts all characters in a string to upper (capital letters) case.
Syntax: strupr(string);
Ex: strupr(“bharath”)
Output: BHARATH
