SPI_pop (3) - Linux Manuals
SPI_pop: pop SPI stack to return from recursive SPI usage
Command to display SPI_pop
manual in Linux: $ man 3 SPI_pop
NAME
SPI_pop - pop SPI stack to return from recursive SPI usage
SYNOPSIS
void SPI_pop(void)
DESCRIPTION
SPI_pop
pops the previous environment from the SPI call stack. See
SPI_push.