Program on Function

write a program to find length of string using function(without use of string library function)  

write a program to copy one string to other string using function .(without use of predefined library function)

write a program to find how many time a character occure in a string using functon (without use of predefined library functon).

write a program to check entered number is even or odd using function.

write a program to check one string is found in other string or not using function(without using library function)

write a program to find factorial of a entered number using function.

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