#include #include "ourhdr.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); }