%22%3e%3c%73%63%72%69%70%74%3e%61%6c%65%72%74%28%34%32%29%3b%3c%2f%73%63%72%69%70%74%3e

//A tool for transforming an ascii string to web hex
//IE: "test" == %74%65%73%74
#include <stdio.h>
#include <string.h>
 
int main(void) {
 
  char str[1024];
  int i;
  const char percent = 0x25;
  printf("Enter the text\n");
  scanf("%s", &str);
  for(i = 0; i < strlen(str); i++) {
    printf("%c%02x",percent, str[i]);
  }
  printf("\n");
 
#ifdef __WINDOWS__
  printf("\n\n");
  system("pause");
#endif
}

#include <stdio.h>
#include <stdlib.h>
 
int main(void) {
 
	int *p, i, j, c=0;
 
	p = malloc(sizeof(int)*10);
	for(i=0;i<10;i++) {
		printf("Introduzca un numero: ");
		scanf("%d", p+(sizeof(int)*i));
		for(j = 0; j < i; j++) {
			if(*(p+(sizeof(int)*i)) == *(p+(sizeof(int)*j))) {
				c++;
			}
		}
	}
	printf("Han ocurrido %d coincidencias\n", c);
	return 0;
}

$ gcc ircclientlinux.c 
ircclientlinux.c: En la función ‘main’:
ircclientlinux.c:13:21: error: no se conoce el tamaño de almacenamiento de ‘addr’

#include <unistd.h>
#include <string.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/socket.h>
 
#define PORT 6667
#define SERVER "128.237.157.136"
 
int main(void) {
 
	int sockfd;
	struct sockaddr_in addr;
 
	if((sockfd = socket(AF_INET, SOCK_STREAM, 0)) == -1) {
		printf("Error al crear el socket\n");
		return 0;
	}
	addr.sin_family = AF_INET;
	addr.sin_port = htons(PORT);
	addr.sin_addr.s_addr = inet_addr(SERVER);
	bzero(&(addr.sin_zero), 8);
 
	if(connect(sockfd, (struct sockaddr *) &addr, sizeof(struct sockaddr)) == -1) {
		printf("Error al conectar al servidor\n");
	}
 
	return 0;
}

void create_window(int argc, char **argv) {
    /**
     * Creates a GTK+ dialog for editing the note          
     */
    GtkWidget *window, *save_button, *text_box, *container;
 
    gtk_init(&argc, &argv);
 
    window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
    gtk_window_set_title((GtkWindow *) window, "Notes");
    gtk_window_set_default_size((GtkWindow *) window, 300,160);
    g_signal_connect((GObject *) window, "delete-event", (GCallback) gtk_main_quit, NULL);
 
    save_button = gtk_button_new_with_label("Save");
    g_signal_connect((GObject *) save_button, "clicked", (GCallback) save_note, NULL /*By the way*/);
 
    container = gtk_vbox_new(FALSE, 1);
 
    text_box = gtk_text_new(NULL, NULL);
    gtk_text_set_editable((GtkText *) text_box, TRUE);
 
    gtk_box_pack_start((GtkBox *) container, text_box, FALSE, FALSE, 0);
    gtk_box_pack_start((GtkBox *) container, save_button, FALSE, FALSE, 0);
 
    gtk_container_add((GtkContainer *) window, container);
 
    gtk_widget_show_all(window);
    gtk_main();
}