What is this program’s print for a input file containing “abcde”? #include \"csa

Question

What is this program’s print for a input file containing “abcde”?

#include "csapp.h"

int main(int argc, char *argv[])

{

    int fd1;

    int s = getpid() & 0x1;

    char c1, c2;

    char *fname = argv[1];

    fd1 = Open(fname, O_RDONLY, 0);

    Read(fd1, &c1, 1);

    if (fork()) { /* Parent */

        sleep(s);

        Read(fd1, &c2, 1);

        printf("Parent: c1 = %c, c2 = %c ", c1, c2);

    } else { /* Child */

        sleep(1-s);

        Read(fd1, &c2, 1);

        printf("Child: c1 = %c, c2 = %c ", c1, c2);

    }

    return 0;

}

Explanation / Answer

Its just giving the output of sh4.3$

there is an eror in your program which the main command is not found

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