Initializing help system before first use

# XPRDfread

Purpose
Read a block of data from a remote file.
Synopsis
`long XPRDfread(XPRDfile f,void *buf, long size);`
Arguments

f | File descriptor
buf | Buffer to return the data
size | Size of buffer buf

Return value
0 in case of end of file; the number of bytes read or a negative value in case of error.
Further information
The amount of data read may be smaller than the amount requested: this is not an error.
Related topics
XPRDfopen, XPRDfskip.
Parent Topic Remote file access

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