FILEREAD

FILEREAD attempts to read z storage units (bytes) from file x into location y. It returns the number of storage units actually read.

>>-FILEREAD(x,y,z)---------------------------------------------><

x

File reference

y

Expression with type POINTER or OFFSET. If the type is OFFSET, the expression must be an OFFSET variable declared with the AREA attribute.

z

Expression. It must have a computational type and is converted to type size_t.¹

FILEREAD can read only zFS TYPE(U) files.