NAME

$OS_ERROR

NAME

$POSTMATCH

getsockopt SOCKET,LEVEL,OPTNAME Queries the option named OPTNAME associated with SOCKET at a given LEVEL. Options may exist at multiple protocol

log EXPR log Returns the natural logarithm (base e) of EXPR. If EXPR is omitted, returns the log

Logical And Binary "and" returns the logical conjunction of the two surrounding expressions

sqrt EXPR sqrt Return the positive square root of EXPR. If EXPR is omitted, uses

$EXCEPTIONS_BEING_CAUGHT

$^T The time at which the program began running, in seconds since the epoch (beginning of 1970). The values returned by the -M, -A