34 lines
605 B
C
34 lines
605 B
C
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#include <unistd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <fcntl.h>
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int main(void){
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pid_t pr;
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int fd[2], p;
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char c;
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p = pipe(fd);
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if (p == -1){
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perror("Erreur de la création du tube");
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return EXIT_FAILURE;
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}
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pr = fork();
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switch(pr){
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case -1:
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perror("Pas de nouveau processus, l'histoire s'arrête ici...");
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return EXIT_FAILURE;
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case 0:
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close(fd[0]);
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dup2(fd[1], 1);
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execl("/usr/bin/ls", "ls", ".", NULL);
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exit(0);
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default :
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close(fd[1]);
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dup2(fd[0], 0);
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execl("/usr/bin/wc", "wc", "-l", NULL);
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}
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close(fd[0]);
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return 0;
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}
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