R

The functions, macros, and data structures in the C library are described here in alphabetical order:

A ¦ B ¦ C ¦ D ¦ E ¦ F ¦ G ¦ H ¦ I ¦ J ¦ K ¦ L ¦ M ¦ N ¦ O ¦ P ¦ Q ¦ R ¦ S ¦ T ¦ U ¦ V ¦ W ¦ X ¦ Y ¦ Z

The following are described elsewhere:

For information about:	See:
resmgr_attr_t	resmgr_attach()
RMSK_CLR()	ThreadCtl()
RMSK_ISSET()	ThreadCtl()
RMSK_SET()	ThreadCtl()
RMSK_SIZE()	ThreadCtl()

The following have been deprecated:

Instead of:	Use:
rsrcdbmgr_minor_attach()	rsrcdbmgr_devno_attach()
rsrcdbmgr_minor_detach()	rsrcdbmgr_devno_detach()
rsrcdbmgr_query()	rsrcdbmgr_query_name()

This chapter describes the API components whose names begin with "R".

Raccept()
Accept a connection on a socket (via a SOCKS server)
raise()
Generate a signal
rand()
Generate a pseudo-random integer
rand_r()
Generate a pseudo-random integer in a thread-safe manner
random()
Generate a pseudo-random number from the default state
Rbind()
Bind a name to a socket (via a SOCKS server)
rcmd(), rcmd_af()
Execute a command on a remote host
Rconnect()
Initiate a connection on a socket (via a SOCKS server)
rdchk()
Check to see if a read is likely to succeed
re_comp()
Compile a regular expression
re_exec()
Execute a regular expression
read()
Read bytes from a file
readblock()
Read blocks of data from a file
readcond()
Read data from a terminal device
readdir(), readdir64()
Read a directory entry
_readdir_r()
Read a directory and get stat information
readdir_r()
Read a directory (reentrant)
readlink()
Place the contents of a symbolic link into a buffer
readv()
Read bytes from a file
realloc()
Allocate, reallocate, or free a block of memory
realpath()
Resolve a pathname
recv()
Receive a message from a socket
recvfrom()
Receive a message from the socket at a specified address
recvmsg()
Receive a message and its header from a socket
regcomp()
Compile a regular expression
regerror()
Explain a regular expression error code
regexec()
Compare a string with a compiled regular expression
regfree()
Release memory allocated for a regular expression
remainder(), remainderf(), remainderl()
Compute the floating point remainder
remove()
Remove a link to a file
remque()
Remove an element from a doubly linked queue
rename()
Rename a file
res_init()
Initialize the Internet domain name resolver routines
res_mkquery()
Construct an Internet domain name query
res_query()
Query the local Internet domain name server
res_querydomain()
Query the local Internet domain name server
res_search()
Query a local server, using search options
res_send()
Send a preformatted Internet domain name query
resmgr_attach()
Attach a path to the pathname space
resmgr_block()
Block while waiting for a message
resmgr_connect_funcs_t
Table of POSIX-level connect functions
resmgr_context_alloc()
Allocate a resource-manager context
resmgr_context_free()
Free a resource-manager context
resmgr_context_t
Context information that's passed between resource-manager functions
resmgr_detach()
Remove a pathname from the pathname space
resmgr_devino()
Get the device and inode number
resmgr_handle_grow()
Expand the capacity of the device manager database
resmgr_handle_tune()
Tune aspects of client fd-to-OCB mapping
resmgr_handler()
Handle resource manager messages
resmgr_io_funcs_t
Table of POSIX-level I/O functions
resmgr_iofuncs()
Extract the I/O function pointers associated with client connections
resmgr_msg_again()
Process a message again in a resource manager
resmgr_msgread()
Read a message from a client
resmgr_msgreadv()
Read a message from a client
resmgr_msgreply()
Reply to a client with a message, endian-swapping if required
resmgr_msgreplyv()
Reply to a client with a message, endian-swapping if required
resmgr_msgwrite()
Write a message to a client
resmgr_msgwritev()
Write a message to a client
_RESMGR_NPARTS()
Indicate how many parts from the ctp->iov structure to return to the client
resmgr_ocb()
Retrieve an Open Control Block
resmgr_open_bind()
Associate an OCB with an open request
resmgr_pathname()
Return the pathname associated with an ID
_RESMGR_PTR()
Get one part from the ctp->iov structure and fill in its fields
_RESMGR_STATUS()
Set the status member of a resource-manager context
resmgr_unbind()
Disassociate an OCB from an open request
rewind()
Rewind a file stream to the beginning of the file
rewinddir()
Rewind a directory stream to the start of the directory
Rgetsockname()
Get the name of a socket (via a SOCKS server)
rindex()
Find the last occurrence of a character in a string
rint(), rintf(), rintl()
Round to the nearest integral value
Rlisten()
Listen for connections on a socket (via a SOCKS server)
rmdir()
Delete an empty directory
round(), roundf(), roundl()
Round a number to the closest integer
ROUTE
System packet forwarding database
Rrcmd()
Execute a command on a remote host (via a SOCKS server)
rresvport(), rresvport_af()
Obtain a socket with a privileged address
Rselect()
Check for descriptors that are ready for reading or writing (via a SOCKS server)
rsrcdbmgr_attach()
Reserve a system resource for a process
rsrcdbmgr_create()
Create a system resource
rsrcdbmgr_destroy()
Destroy a system resource
rsrcdbmgr_detach()
Return a system resource to the resource database
rsrcdbmgr_devno_attach()
Get major and minor device numbers
rsrcdbmgr_devno_detach()
Detach a major and minor number
rsrcdbmgr_query_name()
Query the resource database
ruserok()
Check the identity of a remote host