Created
September 26, 2014 09:38
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| #include "tlpi_hdr.h" | |
| int | |
| main(int argc, char *argv[]) | |
| { | |
| printf("Hello world\n"); | |
| write(STDOUT_FILENO, "Ciao\n", 5); | |
| if (fork() == -1) | |
| errExit("fork"); | |
| /* Both child and parent continue execution here */ | |
| exit(EXIT_SUCCESS); | |
| } |
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./a.out
输出:
Hello world
Ciao
./a.out > /tmp/a
输出
Ciao
Hello world
Hello world