27 lines
391 B
C
27 lines
391 B
C
#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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int main(int argc, char **argv)
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{
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putchar('a');
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write(1, "b", 1);
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putchar('a');
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write(1, "b", 1);
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putchar('a');
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write(1, "b", 1);
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/**
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* 这里标准IO与文件IO混用
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* 实际输出：
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* bbbaaa
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*
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* 命令 strace
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* 可以跟踪系统调用
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*
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*/
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exit(0);
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} |