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print all env variable in c

Kilaposhi answered on November 21, 2022 Popularity 3/10 Helpfulness 1/10

answer print all env variable in c

print all env variable in c

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//-------------- Using the envp[] array
int main (int argc, char * argv[], char * envp[]){
    int i = 0;
    for (i = 0; envp[i] != NULL; i ++) // stylé comme boucle
    printf("%d : %s\n", i, envp[i]);
    return 0;
}
//--------------------- Using the extern var environ
extern char **environ;

int main (void){
    int i = 0;
    for (i = 0; environ[i] != NULL; i ++)
    printf("%d : %s\n", i, environ[i]);
    return 0;
}

Popularity 3/10 Helpfulness 1/10 Language c

Source: Grepper

Tags: c env

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Contributed on Nov 21 2022

Kilaposhi

0 Answers Avg Quality 2/10

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print all env variable in c

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