?? mainpipe.c
字號:
#include "unpipc.h"
void client(int, int), server(int, int);
int
main(int argc, char **argv)
{
int pipe1[2], pipe2[2];
pid_t childpid;
Pipe(pipe1); /* create two pipes */
Pipe(pipe2);
if ( (childpid = Fork()) == 0) { /* child */
Close(pipe1[1]);
Close(pipe2[0]);
server(pipe1[0], pipe2[1]);
exit(0);
}
/* 4parent */
Close(pipe1[0]);
Close(pipe2[1]);
client(pipe2[0], pipe1[1]);
Waitpid(childpid, NULL, 0); /* wait for child to terminate */
exit(0);
}
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