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GETPID(2)		    BSD	System Calls Manual		     GETPID(2)

NAME
     getpid, getppid --	get parent or calling process identification

SYNOPSIS
     #include <sys/types.h>
     #include <unistd.h>

     pid_t
     getpid(void);

     pid_t
     getppid(void);

DESCRIPTION
     Getpid() returns the process ID of	the calling process.  The ID is	guar-
     anteed to be unique and is	useful for constructing	temporary file names.

     Getppid() returns the process ID of the parent of the calling process.

ERRORS
     The getpid() and getppid()	functions are always successful, and no	return
     value is reserved to indicate an error.

SEE ALSO
     gethostid(3)

STANDARDS
     The getpid() and getppid()	function calls are expected to conform to
     ISO/IEC 9945-1:1990 ("POSIX.1").

HISTORY
     A getpid()	function call appeared in Version 7 AT&T UNIX.

4th Berkeley Distribution	 June 4, 1993	     4th Berkeley Distribution
NAME | SYNOPSIS | DESCRIPTION | ERRORS | SEE ALSO | STANDARDS | HISTORY

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