julien@ubuntu:~/c/shell$ cat exec.c
#include <stdio.h>
#include <unistd.h>
/**
* main - execve example
*
* Return: Always 0.
*/
int main(void)
{
char *argv[] = {"/bin/ls", "-l", "/usr/", NULL};
printf("Before execve\n");
if (execve(argv[0], argv, NULL) == -1)
{
perror("Error:");
}
printf("After execve\n");
return (0);
}
julien@ubuntu:~/c/shell$ gcc -Wall -Wextra -Werror -pedantic exec.c -o exec
julien@ubuntu:~/c/shell$ ./exec
Before execve
total 120
drwxr-xr-x 2 root root 61440 Dec 4 00:08 bin
drwxr-xr-x 2 root root 4096 Jul 19 13:47 games
drwxr-xr-x 58 root root 4096 Oct 27 13:10 include
drwxr-xr-x 138 root root 4096 Dec 4 00:08 lib
drwxr-xr-x 3 root root 4096 Nov 10 09:54 lib32
drwxr-xr-x 3 root root 4096 Nov 10 09:54 libx32
drwxr-xr-x 10 root root 4096 Jul 19 13:42 local
drwxr-xr-x 3 root root 4096 Jul 19 13:48 locale
drwxr-xr-x 2 root root 12288 Dec 2 11:03 sbin
drwxr-xr-x 295 root root 12288 Jul 27 08:58 share
drwxr-xr-x 6 root root 4096 Dec 1 11:39 src
julien@ubuntu:~/c/shell$