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#define _LINUX_ERRNO_H
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#define ERESTARTSYS    512
#define ERESTARTNOINTR    513
#define ERESTARTNOHAND    5 ......

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ÓÃÃüÁî whereis java¾Í¿ÉÒÔ¿´µ½ÁË
eg:
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-bash-3.1$ which java
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