.TH "proc_dostring" 9 "proc_dostring" "25 May 1998" "Kernel Hacker's Manual" LINUX
.SH NAME
proc_dostring \-  read a string sysctl
.SH SYNOPSIS
.B "int" proc_dostring
.BI "(ctl_table *" table ","
.BI "int " write ","
.BI "struct file *" filp ","
.BI "void *" buffer ","
.BI "size_t *" lenp ");"
.SH ARGUMENTS
.IP "table" 12
 the sysctl table
.IP "write" 12
 TRUE if this is a write to the sysctl file
.IP "filp" 12
 the file structure
.IP "buffer" 12
 the user buffer
.IP "lenp" 12
 the size of the user buffer
.SH "DESCRIPTION"
Reads/writes a string from/to the user buffer. If the kernel
buffer provided is not large enough to hold the string, the
string is truncated. The copied string is NULL-terminated.
If the string is being read by the user process, it is copied
and a newline '\n' is added. It is truncated if the buffer is
not large enough.

Returns 0 on success.