NAME

getpid − get process identification

SYNOPSIS

getpid( )

DESCRIPTION

Getpid returns the process ID of the current process.  Most often it is used to generate uniquely-named temporary files. 

SEE ALSO

mktemp(3)

ASSEMBLER (PDP-11)

(getpid = 20.) 
sys getpid
(pid in r0)

7th Edition