netbsd man page for getpid

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

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

LIBRARY
     Standard C Library (libc, -lc)

SYNOPSIS
     #include <unistd.h>

     pid_t
     getpid(void);

     pid_t
     getppid(void);

DESCRIPTION
     getpid() returns the process ID of the calling process.  The ID is guaranteed 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
     getpid() and getppid() conform to ISO/IEC 9945-1:1990 (``POSIX.1'').

HISTORY
     The getpid() function appeared in Version 5 AT&T UNIX.

BSD
								   April 3, 2010							       BSD