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putpmsg(2) -- Send a message on a Stream
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The putmsg() and putpmsg() functions send messages to the STREAMS file. These messages are generated from user-provided buffer(s), and must contain a control part and/or a data part. The open Stream s... |
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pwrite(2) -- Write to a file
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The write() function attempts to write nbytes of data to the file associated with the filedes parameter from the buffer pointed to by the buffer parameter. If the nbytes parameter is 0 (zero), the wri... |
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quotactl(2) -- Manipulate disk quotas
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The quotactl() function is used to enable and disable quotas and to manipulate disk quotas for file systems on which quotas have been enabled. Quotas are supported for the UNIX file system (UFS) and t... |
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read(2) -- read from a file
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The read() function attempts to read nbytes of data from the file associated with the filedes parameter into the buffer pointed to by the buffer parameter. If the value of nbytes is 0 (zero), the read... |
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readlink(2) -- Read the value of a symbolic link
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The readlink() function places the contents of the symbolic link named by the path parameter in buffer, which has size buf_size. If the actual length of the symbolic link is greater than buf_size, an ... |
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readv(2) -- read from a file
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The read() function attempts to read nbytes of data from the file associated with the filedes parameter into the buffer pointed to by the buffer parameter. If the value of nbytes is 0 (zero), the read... |
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reboot(2) -- Reboot or halt the system
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The reboot() function restarts the system. The default startup is automatic and brings up /vmunix in the normal, nonmaintenance mode. In an application, the calling process must have superuser privile... |
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recv(2) -- Receive messages from connected sockets
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The recv() function receives messages from a connected socket. The recvfrom() and recvmsg() functions receive messages from both connected and unconnected sockets; however, they are usually used for u... |
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recvfrom(2) -- Receive messages from sockets
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The recvfrom() function permits an application program to receive messages from unconnected sockets. It is normally applied to unconnected sockets because it includes parameters that permit a calling ... |
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recvmsg(2) -- Receive a message from a socket using a message structure
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The recvmsg() function receives messages from unconnected or connected sockets and returns the total length of the message. For message-based sockets (for example, SOCK_DGRAM), you must read the entir... |
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rename(2) -- Rename a directory or a file within a file system
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The rename() function renames a directory or a file within a file system. For rename() to complete successfully, the calling process must have write and search permission to the parent directories of ... |
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revoke(2) -- Void all references to a file
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The revoke() function invalidates all file descriptors associated with the pathname specified in path, which must be a block- or character-special file. Any open file system object on the device on wh... |
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rmdir(2) -- Remove a directory file
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The rmdir() function removes the directory specified by the path parameter. The directory is removed only if it is an empty directory. For the rmdir() function to execute successfully, the calling pro... |
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sbrk(2) -- Change space allocation
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The brk() function sets the lowest data segment location not used by the program (called the break) to addr. In the alternate function sbrk(), incr more bytes are added to the program's data space, a... |
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screen(2) -- Gateway packet screening facility
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The gateway screen facility allows a user-level process to decide which network packets should be forwarded by the kernel (when the system is acting as a gateway). When the screen mode is set to "off... |
