Apache Portability Runtime library

Atomic Operations

Command Argument Parsing

Condition Variable Routines

Dynamic Object Handling

APR Error Space
APR Error Values
Status Value Tests

Escape functions

File I/O Handling Functions

File Attribute Flags
File Lock Types
File Open Flags/Routines
File Seek Flags
{_full} max iovec size

File Information

Directory Manipulation Functions
File Permissions flags
Filepath Manipulation Functions
Stat Functions

Filename Matching Functions

Functions for manipulating the environment

General Purpose Library Routines

Global Locking Routines

Internal APR support functions

Internal Memory Allocation

MMAP (Memory Map) Routines

Memory Pool Functions

Pool Cleanup Functions

Pool Debugging functions.

Miscellaneous library routines

Network Routines

IP Multicast
IP Protocol Definitions for use when creating sockets
Socket option definitions

Platform Definitions

Portability Routines

DSO (Dynamic Loading) Portability Routines

Thread portability Routines

Process Locking Routines

Random Functions

Reader/Writer Lock Routines

Ring Macro Implementations

Shared Memory Routines

Signal Handling

Skip list implementation

String routines

snprintf implementations

Table and Array Functions

Thread Mutex Routines

Threads and Process Functions

Other Child Flags

User and Group ID Services