Permalink
Cannot retrieve contributors at this time
Fetching contributors…
Cannot retrieve contributors at this time
| #include "apue.h" | |
| #include <sys/wait.h> | |
| int | |
| main(void) | |
| { | |
| char line[MAXLINE]; | |
| FILE *fpin; | |
| if ((fpin = popen("myuclc", "r")) == NULL) | |
| err_sys("popen error"); | |
| for ( ; ; ) { | |
| fputs("prompt> ", stdout); | |
| fflush(stdout); | |
| if (fgets(line, MAXLINE, fpin) == NULL) /* read from pipe */ | |
| break; | |
| if (fputs(line, stdout) == EOF) | |
| err_sys("fputs error to pipe"); | |
| } | |
| if (pclose(fpin) == -1) | |
| err_sys("pclose error"); | |
| putchar('\n'); | |
| exit(0); | |
| } |