getppid - get the parent process ID
#include <sys/types.h> #include <unistd.h> pid_t getppid(void);
The getppid() function returns the parent process ID of the calling process.
The getppid() function is always successful and no return value is reserved to indicate an error.
No errors are defined.
None.
None.
None.
exec, fork(), getpgid(), getpgrp(), getpid(), kill(), setpgid(), setsid(), <sys/types.h>, <unistd.h>.
Derived from Issue 1 of the SVID.