diff options
Diffstat (limited to 'lib/pm_system.h')
-rw-r--r-- | lib/pm_system.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/lib/pm_system.h b/lib/pm_system.h index dfcd5b3f..58e17f05 100644 --- a/lib/pm_system.h +++ b/lib/pm_system.h @@ -76,8 +76,15 @@ pm_accept_null(int const pipetosuckFd, struct bufferDesc { /* This is just a parameter for the routines below */ unsigned int size; + /* For a read operation, number amount of space available to store + data read. For a write operation, number of bytes of data available. + */ unsigned char * buffer; unsigned int * bytesTransferredP; + /* The function returns the number of bytes placed in the buffer or + extracted from the buffer here. NULL if you don't want that + information. + */ }; |