Returns the parent's process ID.
Syntax |
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#include <sys/types.h>
#include <unistd.h>
pid_t getppid (void);
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Parameters |
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None.
Return Values |
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The parent process ID of the calling process.
Description |
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The getppid() function returns the parent process ID of the calling process.
Implementation Considerations |
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None.
Errors |
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None.
See Also |
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getpid(), execl(), execv(), fork(), kill(), POSIX.1 (Section 4.1.1)