Index for Section 9r

Alphabetical listing for F

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fubyte(9r)
NAME
  fubyte - General: Returns a byte from user address space

SYNOPSIS
  int fubyte(
	  char *user_src );

ARGUMENTS
  user_src
      Specifies the address in user space from which to read the byte.

DESCRIPTION
  The fubyte routine returns 1 byte from the unprotected user address space
  to the calling program.

NOTES
  If the size of the return value is larger than 1 byte, the byte actually
  used for the return value is implementation defined.

RETURN VALUES
  Upon successful completion, fubyte returns a value greater than 0 (zero).
  Otherwise, it returns -1, indicating that the user address specified in
  user_src cannot be accessed.

SEE ALSO
  Routines: copyinstr(9r), fuword(9r), subyte(9r), suword(9r)

Index for Section 9r

Alphabetical listing for F

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