/* strcmp.c */

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

int main( int argc, char *argv[] )
{
  /* compare argv[1] with "-reverse" */
  if ( strcmp( argv[1], "-reverse" ) == 0 )
  {
    printf( "The -reverse flag has been detected!\n" );
  }

  /* another way (style) of writing this: */
  if ( !strcmp( argv[1], "-reverse" ) )
  {
    printf( "The -reverse flag has been detected!\n" );
  }

  /* look for -skip */
  if ( strcmp( argv[1], "-skip" ) == 0 )
  {
    int N = atoi( argv[2] ); /* atoi() converts alpha (char[]) to int */
    printf( "Going to skip every %d characters\n", N );
  }

  return EXIT_SUCCESS;
}