ajout fichiers TP

TP3/Ex1.c

@@ -0,0 +1,21 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+
+int main(int argc, char const *argv[]) {
+	pid_t pid;
+	pid = fork();
+	char *lel[3] = {"ls", "-l", NULL};
+	if (pid==0) {
+		printf("pid de mon papa : %d\n", getppid());
+		execvp("ls", lel);
+		
+	} else {
+		printf("pid de mon fiston : %d\n", pid);
+		wait(NULL);
+		
+	}
+	return EXIT_SUCCESS;
+}

TP3/Ex2.c

@@ -0,0 +1,30 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+
+int main(int argc, char *argv[]) {
+	pid_t pid;
+	int i;
+	if (argc < 2) {
+		perror("Pas assez d'arguments");
+		return EXIT_FAILURE;
+	}
+	if (argc > 9) {
+		perror("Trop d'arguments");
+		return EXIT_FAILURE;
+	}
+	pid = fork();
+	
+	if (pid==0) {
+		printf("pid de mon papa : %d\n", getppid());
+		execvp(argv[1], argv+1);
+		
+	} else {
+		printf("pid de mon fiston : %d\n", pid);
+		wait(NULL);
+		
+	}
+	return EXIT_SUCCESS;
+}

TP3/Ex3.c

@@ -0,0 +1,30 @@
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/wait.h>
+int main(int argc, char *argv[]) {
+	int pid, fp, i, j;
+	char ch[4];
+	
+	fp = open("fichier", O_RDWR);
+	pid = fork();
+	
+	if (pid == 0) {
+		for (i = 0; i < 4; i++) {
+			read(fp, ch, 4);
+			printf("hello fils : %s\n", ch);
+			sleep(4);
+		}
+	} else {
+		for (j = 0; j < 3; j++) {
+			read(fp, ch, 4);
+			printf("Hello père : %s\n", ch);
+			sleep(5);
+		}
+		wait(NULL);
+		close(fp);
+	}
+	return 1;
+}

TP3/Ex4.c

@@ -0,0 +1,13 @@
+#include <stdlib.h>
+#include <stdio.h>
+
+int main(int argc, char const *argv[]) {
+	int i = 0;
+	char* envstr = getenv("RUN_0");
+	while(envstr != NULL) {
+		printf("%s", envstr);
+		i++;
+		envstr = getenv("RUN_"+ (i+30));
+	}
+	return EXIT_SUCCESS;
+}

TP3/fichier

@@ -0,0 +1 @@
+abcdefghijk127440)^liojh3uijb4567 k;ljilkj