C_Programming/ArgcArgv.c.save at master · shyed2001/C_Programming · GitHub

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/*@Shyed Shahriar Housaini
Copyright: @uthor*/
/**
#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <unistd.h>
#include <windows.h>
///#include <threads.h>
#include <conio.h>
#include <dos.h>
#include <direct.h>
#include <math.h>
#include <stdbool.h>
#include<ctype.h>
#include <string.h>
#include <strings.h>
}**/
//#include <cs50.h>
#include <string.h>
#include <stdio.h>
#include <math.h>
#include <ctype.h>

int main (int argc, char *argv[])

{

int z = argv[1];
 if (argc!=2 || isalpha(argv[1]) || *argv[1] = " " )
  {
        printf("Usage: ./caesar key");
        return 1;
  }
 else
    printf(" %s\n", argv[0]);
   /// printf(" \n" );
   /// printf(" %s\n", argv[1]);
    /// printf(" \n" );
 return 0;
}

 /**  for (int i=0; i<10; i++)
   {
    printf(" argv[%d] = %s\n", i, argv[i]);
   }**/