E | |||
elapsed time ( ) | |||
environment variables, getenv ( ) | |||
error | |||
function ( ) | |||
handlers, I/O ( ) | |||
messages, perror, gerror, ierrno ( ) | |||
errors and interrupts, longjmp ( ) | |||
etime ( ) | |||
exception handling ( ) ( ) | |||
execute an OS command, system ( ) ( ) ( ) ( ) | |||
execution time ( ) | |||
existence of file, access ( ) | |||
exit ( ) |