57 lines
866 B
C
57 lines
866 B
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/wait.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <err.h>
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void piped(){
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int fd[2];
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if(pipe(fd) == -1){
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printf("an error occured\n");
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return ;
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}
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pid_t pid = fork();
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if(pid < 0){
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printf("an error occured\n");
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return ;
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}
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// Child
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if (pid == 0) {
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close(fd[0]);
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char *str = "Hello from your child !\n";
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write(fd[1], str, strlen(str) + 1);
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close(fd[1]);
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exit(0);
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}
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// Mommy
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else {
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close(fd[1]);
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char buffer[2048];
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read(fd[0], buffer, sizeof(buffer));
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printf("My child sends me : %s\n", buffer);
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close(fd[0]);
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wait(NULL);
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return;
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}
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}
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//int main(){ piped();}
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