What is the output of this program?

#include<stdio.h>
 
int main()
{
    if (mkfifo("/tmp/test_fifo",0666) != 0)
        perror("mkfifo");
    if (mkfifo("/tmp/test_fifo",0666) != 0)
        perror("mkfifo");
    return 0;
}

A. this program will create two named pipes "test_fifo" in the /tmp directory

B. this program will create one named pipe "test_fifo" in the /tmp directory

C. segmentation fault

D. none of the mentioned

Answer: Option B