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Test Your Knowledge in Computers #990
Difficulty: Medium
UNIX System V is one of the first commercial versions of the Unix operating system and was originally developed by AT&T and first released in 1981.
True or False?
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seq_write(9) [centos man page]

SEQ_WRITE(9)							   The Linux VFS						      SEQ_WRITE(9)

seq_write - write arbitrary data to buffer SYNOPSIS
int seq_write(struct seq_file * seq, const void * data, size_t len); ARGUMENTS
seq seq_file identifying the buffer to which data should be written data data address len number of bytes DESCRIPTION
Return 0 on success, non-zero otherwise. COPYRIGHT
Kernel Hackers Manual 3.10 June 2014 SEQ_WRITE(9)

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roar_vs_read(3) 					   RoarAudio Programmer's Manual					   roar_vs_read(3)

roar_vs_read, roar_vs_write - Read or write data from or to sound server SYNOPSIS
#include <roaraudio.h> ssize_t roar_vs_read (roar_vs_t * vss, void * buf, size_t len, int * error); ssize_t roar_vs_write(roar_vs_t * vss, const void * buf, size_t len, int * error); DESCRIPTION
roar_vs_read() reads data from the sound server into buffer buf. roar_vs_write() writes data in buffer buf to the sound server. PARAMETERS
vss The VS object data is read from or written to. buf The buffer to read to or write from. len The length of the data to be read or written in byte. error This is a pointer to a integer used to store the error value in case of error. This can be NULL if not used but it is very recom- mended to use this error value to report good error messages to the user. RETURN VALUE
On success these calls return the amount of data read or written. This can be smaller than the requested size. On error, -1 is returned. EXAMPLES
roarvs(7), libroar(7), RoarAudio(7). RoarAudio May 2011 roar_vs_read(3)

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