please solve it in C language. Thanks

Modify Project \#2. Task \#1 so that input characters are command line arguments. Requirements - Name your program project5_encode.c. - Input characters are command line arguments. There can be any number of command line arguments. - Assume the total number of input characters is no more than 1000. - Character handling library functions in ctype.h are allowed. - The program should include the following function: void encode(char *input, char *output); - The function expects input to point to a string containing the string to be encoded, output to point to a string containing the result. - The program should also check if the number of arguments on the command line is greater than or equal to 2 . If the number of arguments is 1 , the program should display the message "Invalid input