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28 lines
694 B
28 lines
694 B
12 months ago
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include<fcntl.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <unistd.h>
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void main(void) {
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char saludo[] = "Saludos peña!!!\n";
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char buffer[10];
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int fd, bytesleidos;
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fd = open("texto.txt",1); // abrimos para escritura
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if (fd==-1) {
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printf("Algo salió mal\n");
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exit (-1);
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}
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printf("Escribo el saludo en el fichero...");
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write(fd,saludo, strlen(saludo));
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close(fd);
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fd=open("texto.txt",0); // abrimos para lectura
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printf("Contenido del Fichero: \n");
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bytesleidos = read(fd,buffer,1);
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while (bytesleidos!=0) {
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printf("%s", buffer);
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bytesleidos = read(fd,buffer,1);
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}
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close (fd);
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}
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