?? jerry.c
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/* jerry.c v3.0 */#include <unistd.h>#include <sys/types.h>#include <sys/stat.h>#include <sys/wait.h>#include <fcntl.h>#include <stdlib.h>#include <stdio.h>#define FIFO "message.fifo"#define MSG "from TOM: "int main(){ int fifo; char buf[BUFSIZ]; ssize_t s; /* Open file for read. */ fifo = open(FIFO, O_RDONLY); if(fifo < 0) { perror("open"); } write(STDOUT_FILENO, MSG, sizeof(MSG)-1); /* Read message. */ do { s = read(fifo, &buf, BUFSIZ); write(STDOUT_FILENO, &buf, s); } while (s>0); /* Close file. */ close(fifo); exit(EXIT_SUCCESS);}?? 快捷鍵說明
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