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Brandford

Validación (s/n)

Mar 30th, 2014
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C 0.60 KB | None | 0 0
  1.     do{
  2.         fflush(stdin);
  3.         printf("\n¿Desea restaurar la Copia de Seguridad (s/n): ");
  4.         fflush(stdout);
  5.         gets(selector);
  6.         for( ( count= 0, validar_letras= 0 ) ; count < strlen( selector ) ; count ++ )
  7.         {
  8.             if( isdigit( selector[count] ) )
  9.             {
  10.                 validar_letras= 1;
  11.                 printf("#Debe solo ingresar letras\n");
  12.             }
  13.          }
  14.        
  15.         if(  ! ( ( ( tolower(selector[0]) == 's' ) || ( tolower(selector[0]) == 'n' ) ) && ( validar_letras != 1 ) ) )
  16.             printf("#Error en la opcion seleccionada");
  17.     }while( ! ( ( ( tolower(selector[0]) == 's' ) || ( tolower(selector[0]) == 'n' ) ) && ( validar_letras != 1 ) ) );
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