diff --git a/c/pipes3/.vscode/tasks.json b/c/pipes3/.vscode/tasks.json
deleted file mode 100644
index 08d9005..0000000
--- a/c/pipes3/.vscode/tasks.json
+++ /dev/null
@@ -1,28 +0,0 @@
-{
-    "tasks": [
-        {
-            "type": "cppbuild",
-            "label": "C/C++: gcc build active file",
-            "command": "/usr/bin/gcc",
-            "args": [
-                "-fdiagnostics-color=always",
-                "-g",
-                "${file}",
-                "-o",
-                "${fileDirname}/${fileBasenameNoExtension}"
-            ],
-            "options": {
-                "cwd": "${fileDirname}"
-            },
-            "problemMatcher": [
-                "$gcc"
-            ],
-            "group": {
-                "kind": "build",
-                "isDefault": true
-            },
-            "detail": "Task generated by Debugger."
-        }
-    ],
-    "version": "2.0.0"
-}
\ No newline at end of file
diff --git a/c/pipes3/a.out b/c/pipes3/a.out
deleted file mode 100755
index 3d1eda8..0000000
Binary files a/c/pipes3/a.out and /dev/null differ
diff --git a/c/pipes3/main b/c/pipes3/main
deleted file mode 100755
index 93307eb..0000000
Binary files a/c/pipes3/main and /dev/null differ
diff --git a/c/pipes3/programa b/c/pipes3/programa
index 3d1eda8..c7cf611 100755
Binary files a/c/pipes3/programa and b/c/pipes3/programa differ
diff --git a/c/pipes4/main.c b/c/pipes4/main.c
new file mode 100644
index 0000000..db6515c
--- /dev/null
+++ b/c/pipes4/main.c
@@ -0,0 +1,32 @@
+#include <stdio.h>
+
+void clear_buffer(void);
+
+int main(void) {
+    int edad = 0;
+    char buffer[20];
+
+    printf("Ingresar una edad:");
+    scanf("%d", &edad);
+
+    clear_buffer();
+
+    printf("\nIngresar un nombre:");
+
+    fgets(buffer, 20, stdin);
+
+    printf("\n====================================\n");
+    printf("La edad ingresada es: %d \n", edad);
+
+    printf("El nombre ingresado es: %s \n", buffer);
+
+    return 0;
+}
+
+void clear_buffer(void) {
+
+    int c = 0;
+
+    while ((c = getchar()) && c != '\n' && c != EOF) {
+    }
+}
diff --git a/c/pipes4/programa b/c/pipes4/programa
new file mode 100755
index 0000000..6fdb4a0
Binary files /dev/null and b/c/pipes4/programa differ
diff --git a/c/pipes5/main.c b/c/pipes5/main.c
new file mode 100644
index 0000000..2097005
--- /dev/null
+++ b/c/pipes5/main.c
@@ -0,0 +1,50 @@
+#include <stdio.h>
+
+typedef struct Document {
+    int id;
+    char active;
+    char name[50];
+} Document;
+
+void leer_id(Document *);
+void leer_nombre(Document *);
+void imprimir(Document *);
+
+int main(void) {
+
+    Document hdr;
+
+    leer_id(&hdr);
+    leer_nombre(&hdr);
+    imprimir(&hdr);
+
+    return 0;
+}
+
+void leer_id(Document *ref) {
+    int rid = -1;
+    char c;
+    char ractive = 'n';
+    printf("Entrada:");
+    scanf("%d", &rid);
+    ref->id = rid;
+    while ((c = getchar()) && c != '\n' && c != EOF) {
+        if ((c == 's') || (c == 'S')) {
+            ractive = 's';
+        }
+    }
+    ref->active = ractive;
+    printf("\n");
+}
+
+void leer_nombre(Document *ref) {
+    printf("Nombre:");
+    fgets(ref->name, 50, stdin);
+}
+
+void imprimir(Document *ref) {
+    printf("=======================================\n");
+    printf("ID: %d \n", ref->id);
+    printf("ACTIVE: %c \n", ref->active);
+    printf("NOMBRE: %s \n", ref->name);
+}
diff --git a/c/pipes5/programa b/c/pipes5/programa
new file mode 100755
index 0000000..b65ce05
Binary files /dev/null and b/c/pipes5/programa differ