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- do{
- fflush(stdin);
- printf("\n¿Desea restaurar la Copia de Seguridad (s/n): ");
- fflush(stdout);
- gets(selector);
- for( ( count= 0, validar_letras= 0 ) ; count < strlen( selector ) ; count ++ )
- {
- if( isdigit( selector[count] ) )
- {
- validar_letras= 1;
- printf("#Debe solo ingresar letras\n");
- }
- }
- if( ! ( ( ( tolower(selector[0]) == 's' ) || ( tolower(selector[0]) == 'n' ) ) && ( validar_letras != 1 ) ) )
- printf("#Error en la opcion seleccionada");
- }while( ! ( ( ( tolower(selector[0]) == 's' ) || ( tolower(selector[0]) == 'n' ) ) && ( validar_letras != 1 ) ) );
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