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to execute a program using C

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Onyekachukwu Nweke answered on April 30, 2021 Popularity 9/10 Helpfulness 2/10

answer to execute a program using C

related how to compile and run a program in c

related How to run C program using command

to execute a program using C

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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$

Popularity 9/10 Helpfulness 2/10 Language c

Source: alx-intranet.hbtn.io

Tags: c execute using

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Contributed on Jun 04 2022

Onyekachukwu Nweke

0 Answers Avg Quality 2/10

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how to compile and run a program in c

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//for UBUNTU and other linux distros
gcc -o my_program my_program.c
//to run..
./myprogram

Popularity 10/10 Helpfulness 5/10 Language c

Source: itsfoss.com

Tags: c

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Contributed on Dec 20 2021

Blushing Beetle

0 Answers Avg Quality 2/10

How to run C program using command

Comments(1)

gcc <file-name.c> -o <output-file-name>

Popularity 10/10 Helpfulness 4/10 Language c

Source: github.com

Tags: c

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Contributed on Apr 30 2021

Concerned Cowfish

0 Answers Avg Quality 2/10

to execute a program using C

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