Check the command line parameter and use it : Command Line Parameters « Development « C / ANSI-C

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2. Development
3. Command Line Parameters

Check the command line parameter and use it

  
#include <stdio.h>
#include <stdlib.h>

int main(int argc, char *argv[])
{
  double pounds;

  if(argc!=2) {
    printf("Usage: CONVERT <ounces>\n");
    printf("Try Again");
  }
  else {
    pounds = atof(argv[1]) / 16.0;
    printf("%f pounds", pounds);
  }

  return 0;
}


           
       

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