### C Library Functions: Process Control

Function | Header File | Description
_beginthread | process.h stdlib.h | Creates a new thread.
_cwait | process.h | Delays the completion of a parent process until a child process ends.
_disable | builtin.h | Disables interrupts.
_enable | builtin.h | Enables interrupts.
_endthread | stdlib.h process.h | Terminates a thread.
execl - _execvpe | process.h | Load and run child processes.
_exit | stdlib.h process.h | Ends the calling process without calling other functions.
_freemod | stdlib.h | Frees all references to a DLL for the calling process.
getpid | process.h | Gets the process identifier that identifies the calling process.
_getTIBvalue | builtin.h | Retrieves an unsigned long value from the Thread Information Block.
_interrupt | builtin.h | Calles an interrupt procedure
_loadmod | stdlib.h | Loads a user-created DLL for the calling process.
_onexit | stdlib.h | Records the address of a function to call when the program ends.
_searchenv | stdlib.h | Searches a specified environment for a target file.
_spawnl - _spawnvpe | process.h | Start and run child processes.
_threadstore | stdlib.h | Access a thread-specific storage.

Alphabetical Listing of IBM C and C++ Compilers Functions and Macros