ajout code

AnimalProcessing/Proficiencies/autre.c

@@ -0,0 +1,63 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <err.h>
+
+
+
+void clc(){
+
+
+    //pipes
+    int pipe1[2];// PIPE A
+    int pipe2[2];// PIPE B
+    if(pipe(pipe1) == -1) return;
+    if(pipe(pipe2) == -1) return;
+
+
+    char buffer[2048];
+    char buffer2[2048];
+    //fgets(buffer, 2047, stdin);
+
+
+    pid_t pid = fork();
+
+    if(pid < 0) return;
+    if (pid == 0){
+
+        while(read(pipe1[0],buffer ,2047 )){
+            int n = atoi(buffer);
+            
+            if(n == -1) exit(0);
+            char buf = n *n;
+
+            write(pipe2[1], &buf , 1);
+            
+
+        }
+    }
+
+    else{
+        
+        read(pipe2[0], buffer2, 2048);
+        if(strcmp(buffer2, "-1") == 0) {
+
+            close(pipe1[0]);
+            close(pipe1[1]);
+            close(pipe1[0]);
+            close(pipe1[1]);
+            return;
+        }
+        printf("The Oracle says the square is: %s\n", buffer2);
+    }
+}
+
+int main(){
+    
+    clc();
+
+
+}