The pid_t
data type represents process IDs. You can get the
process ID of a process by calling getpid
. The function
getppid
returns the process ID of the parent of the current
process (this is also known as the parent process ID). Your
program should include the header files `unistd.h' and
`sys/types.h' to use these functions.
pid_t
data type is a signed integer type which is capable
of representing a process ID. In the GNU library, this is an int
.
getpid
function returns the process ID of the current process.
getppid
function returns the process ID of the parent of the
current process.
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