btopr man page on IRIX

btopr man page on IRIX

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btopr(D3)							     btopr(D3)

NAME
     btopr - convert size in bytes to size in pages (round up)

SYNOPSIS
     #include <sys/types.h>
     #include <sys/ddi.h>
     ulong_t btopr(ulong_t numbytes);

   Arguments
     numbytes  Size in bytes to convert to equivalent size in pages.

DESCRIPTION
     btopr returns the number of pages that are contained in the specified
     number of bytes, with upward rounding if the byte count is not a page
     multiple.

   Return Values
     The return value is the number of pages.  There are no invalid input
     values, and therefore no error return values.

USAGE
   Level
     Initialization, Base or Interrupt.

   Synchronization Constraints
     Does not sleep.

     Driver-defined basic locks, read/write locks, and sleep locks may be held
     across calls to this function.

   Examples
     If the page size is 2048, then btopr(4096) and btopr(4095) both return 2,
     and btopr(4097) returns 3.	 btopr(0) returns 0.

REFERENCES
     btop(D3), ptob(D3)

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