64 lines
1.5 KiB
C
64 lines
1.5 KiB
C
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <ctype.h>
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/* Ce programme n'est pas complet : j'arrive à récupérer les chiffres et lettres
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sur la sortie standard (sauf la première étrangement) mais je n'ai pas le temps pour le terminer */
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int main(int argc, char *argv[]){
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pid_t pid1, pid2;
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char a;
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int tube[2], l=0, c=0;
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pid1 = fork();
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pid2 = fork();
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if(pipe (tube) != 0){
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perror("error pipe");
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exit(-1);
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}
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if(pid1 == 0){
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printf("Processus père de pid : %d, avec fils1 de pid : %d\n", getpid(), getppid());
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close(tube[1]);
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while(read (tube[0], &a, 1) > 0){
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if(isdigit (a)){
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c++;
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} else if (isalnum(a)) {
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l = l;
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}
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printf("%d chiffres\n", c);
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}
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}
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else if (pid2 == 0){
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printf("Processus père de pid : %d, avec fils2 de pid : %d\n", getpid(), getppid());
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close(tube[1]);
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while(read (tube[0], &a, 1) > 0){
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if(isalnum(a)){
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l++;
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} else if (isdigit (a)){
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c = c;
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}
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printf("%d lettres\n", l);
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}
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}
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else {
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close (tube[0]);
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while (read (0, &a, 1) >0)
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if (isalnum(a))
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write (tube[1], &a, 1);
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close(tube[1]);
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wait(NULL);
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}
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return EXIT_SUCCESS;
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}
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