Hi all,
How to write a program in which the main program spawns an executable, the
main program need to pass data to the stdin of newly created process, then
the new process will write something back to stdout. The stdout and stdin
of new process can be manipulated using our parent process, but in all the
tutorials and
examples(https://github.com/joyent/libuv/blob/master/test/test-stdio-over-pipes.c#L141
) are written in such a way that at first the parent will read something
from the child, then the parent write to the client. How can we write code
where the parent needs to write first and read last
For a sample test, let our executable be an echo client like:
#include<stdio.h>
int main(){
char a[1024]="\0";
scanf("%s",a); //read something from stdin
printf("%s",a); // echo the data read from stdin to stdout
return 0;
}
Thank you
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