how do i write the following functions:can somebody help me with this programm?
int lengthOfString(char *string);
the longer the text that is given,the longer the text caculation
int letsFactorise(int charCount);
the length of the texts in order of prime number,if no prime numbers then give Error-code back.
void createMatrix(char *string);
the aready calculated prime numbers,the texts in transponetial matrix transformed.
void getStdin();
i can write till EOF(-1)