C process control


C process control refers to a group of functions in the standard library of the C programming language implementing basic process control operations. The process control operations include actions such as termination of the program with various levels of cleanup, running an external command interpreter or accessing the list of the environment operations.

Overview of functions

The process control functions are defined in the stdlib.h header.
FunctionDescription
Terminating
a program		causes abnormal program termination
Terminating
a program		causes normal program termination with cleaning up
Terminating
a program		causes normal program termination without cleaning up
Terminating
a program		registers a function to be called on exit invocation
Terminating
a program		causes normal program termination without cleaning up, but with IO buffers flushed
Terminating
a program		registers a function to be called on quick_exit invocation
Communicating with
the environment		accesses the list of the environment variables
Communicating with
the environment		calls the host environment's command processor