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Mar 3rd, 2015
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  1. #include <stdio.h>
  2. #include <string.h>
  3. #include <stdlib.h>
  4.  
  5. void Usage() {
  6. char out[80];
  7. sprintf(out,"Usage:listaParametros arg1 [arg2..argn]\n");
  8. write(1,out,strlen(out));
  9. sprintf(out,"Este programa escribe por su salida la lista de argumentos que recibe\n");
  10. write(1,out,strlen(out));
  11. exit(1);
  12. }
  13.  
  14. void main(int argc,char *argv[])
  15. {
  16. int i;
  17. char buf[80];
  18. if (argc == 1) Usage();
  19. else {
  20.     for (i=0;i<argc;i++){
  21.         if (i==0){
  22.             sprintf(buf,"El argumento %d es %s (es el nombre del ejecutable)\n",i,argv[i]);
  23.         }else{
  24.             sprintf(buf,"El argumento %d es %s\n",i,argv[i]);
  25.         }
  26.         write(1,buf,strlen(buf));
  27.         }
  28.     }
  29. }
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